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222014900 = 225217731789
BaseRepresentation
bin11010011101110…
…10110110110100
3120110202112012002
431032322312310
5423313434100
634010314432
75334044522
oct1516726664
9513675162
10222014900
1110435a098
1262428a18
1336cc4883
14216b3312
15147572d5
hexd3badb4

222014900 has 72 divisors (see below), whose sum is σ = 517388760. Its totient is φ = 82391040.

The previous prime is 222014899. The next prime is 222014909. The reversal of 222014900 is 9410222.

222014900 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 1373584 + 220641316 = 1172^2 + 14854^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222014909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123206 + ... + 124994.

It is an arithmetic number, because the mean of its divisors is an integer number (7185955).

Almost surely, 2222014900 is an apocalyptic number.

222014900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222014900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258694380).

222014900 is an abundant number, since it is smaller than the sum of its proper divisors (295373860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222014900 is a wasteful number, since it uses less digits than its factorization.

222014900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893 (or 1886 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 222014900 is about 14900.1644286229. The cubic root of 222014900 is about 605.5184409290.

It can be divided in two parts, 22201 and 4900, that multiplied together give a square (108784900 = 104302).

The spelling of 222014900 in words is "two hundred twenty-two million, fourteen thousand, nine hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 73 85 100 146 170 292 340 365 425 730 850 1241 1460 1700 1789 1825 2482 3578 3650 4964 6205 7156 7300 8945 12410 17890 24820 30413 31025 35780 44725 60826 62050 89450 121652 124100 130597 152065 178900 261194 304130 522388 608260 652985 760325 1305970 1520650 2220149 2611940 3041300 3264925 4440298 6529850 8880596 11100745 13059700 22201490 44402980 55503725 111007450 222014900