255515022 has 24 divisors (see below), whose sum is σ = 632704176. Its totient is φ = 73004256.

The previous prime is 255515011. The next prime is 255515033. The reversal of 255515022 is 220515552.

It is an interprime number because it is at equal distance from previous prime (255515011) and next prime (255515033).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1013823 + ... + 1014074.

It is an arithmetic number, because the mean of its divisors is an integer number (26362674).

Almost surely, 2^255515022 is an apocalyptic number.

255515022 is an abundant number, since it is smaller than the sum of its proper divisors (377189154).

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

255515022 is a wasteful number, since it uses less digits than its factorization.

255515022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027912 (or 2027909 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 255515022 is about 15984.8372528468. The cubic root of 255515022 is about 634.5592013869.

The spelling of 255515022 in words is "two hundred fifty-five million, five hundred fifteen thousand, twenty-two".