255566022 has 16 divisors (see below), whose sum is σ = 513810432. Its totient is φ = 84742280.

The previous prime is 255566021. The next prime is 255566023. The reversal of 255566022 is 220665552.

It is an interprime number because it is at equal distance from previous prime (255566021) and next prime (255566023).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255566021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110358 + ... + 112649.

It is an arithmetic number, because the mean of its divisors is an integer number (32113152).

Almost surely, 2^255566022 is an apocalyptic number.

255566022 is an abundant number, since it is smaller than the sum of its proper divisors (258244410).

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

255566022 is a wasteful number, since it uses less digits than its factorization.

255566022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223203.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 255566022 is about 15986.4324350369. The cubic root of 255566022 is about 634.6014172562.

The spelling of 255566022 in words is "two hundred fifty-five million, five hundred sixty-six thousand, twenty-two".