Search a number
-
+
223220101 = 1322235923
BaseRepresentation
bin11010100111000…
…01000110000101
3120120000202102011
431103201012011
5424121020401
634052214221
75350224316
oct1523410605
9516022364
10223220101
11105002625
126290a371
1337327300
142190860d
15148e4451
hexd4e1185

223220101 has 12 divisors (see below), whose sum is σ = 242836608. Its totient is φ = 205090704.

The previous prime is 223220027. The next prime is 223220141. The reversal of 223220101 is 101022322.

It is not a de Polignac number, because 223220101 - 27 = 223219973 is a prime.

It is a super-3 number, since 3×2232201013 (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223220141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34726 + ... + 40648.

It is an arithmetic number, because the mean of its divisors is an integer number (20236384).

Almost surely, 2223220101 is an apocalyptic number.

It is an amenable number.

223220101 is a deficient number, since it is larger than the sum of its proper divisors (19616507).

223220101 is a wasteful number, since it uses less digits than its factorization.

223220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6172 (or 6159 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 223220101 is about 14940.5522320964. The cubic root of 223220101 is about 606.6121436261.

Adding to 223220101 its reverse (101022322), we get a palindrome (324242423).

The spelling of 223220101 in words is "two hundred twenty-three million, two hundred twenty thousand, one hundred one".

Divisors: 1 13 169 223 2899 5923 37687 76999 1000987 1320829 17170777 223220101