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222030160 = 24511222937
BaseRepresentation
bin11010011101111…
…10100101010000
3120110210022010021
431032332211100
5423314431120
634010513224
75334140152
oct1516764520
9513708107
10222030160
1110436a600
1262435814
1336ccb7c1
14216b8ad2
151475baaa
hexd3be950

222030160 has 60 divisors (see below), whose sum is σ = 567440244. Its totient is φ = 80734720.

The previous prime is 222030131. The next prime is 222030203. The reversal of 222030160 is 61030222.

It can be written as a sum of positive squares in 2 ways, for example, as 66977856 + 155052304 = 8184^2 + 12452^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1789 + ... + 21148.

Almost surely, 2222030160 is an apocalyptic number.

222030160 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 222030160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283720122).

222030160 is an abundant number, since it is smaller than the sum of its proper divisors (345410084).

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

222030160 is a wasteful number, since it uses less digits than its factorization.

222030160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22972 (or 22955 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 222030160 is about 14900.6764947099. The cubic root of 222030160 is about 605.5323138714.

Adding to 222030160 its reverse (61030222), we get a palindrome (283060382).

The spelling of 222030160 in words is "two hundred twenty-two million, thirty thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 121 176 220 242 440 484 605 880 968 1210 1936 2420 4840 9680 22937 45874 91748 114685 183496 229370 252307 366992 458740 504614 917480 1009228 1261535 1834960 2018456 2523070 2775377 4036912 5046140 5550754 10092280 11101508 13876885 20184560 22203016 27753770 44406032 55507540 111015080 222030160