255923622 has 24 divisors (see below), whose sum is σ = 578610864. Its totient is φ = 81598704.

The previous prime is 255923617. The next prime is 255923623. The reversal of 255923622 is 226329552.

It is a happy number.

255923622 is a `hidden beast` number, since 2 + 5 + 5 + 9 + 23 + 622 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255923623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 308673 + ... + 309500.

It is an arithmetic number, because the mean of its divisors is an integer number (24108786).

Almost surely, 2^255923622 is an apocalyptic number.

255923622 is an abundant number, since it is smaller than the sum of its proper divisors (322687242).

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

255923622 is a wasteful number, since it uses less digits than its factorization.

255923622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618204 (or 618201 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 255923622 is about 15997.6130094461. The cubic root of 255923622 is about 634.8972673617.

The spelling of 255923622 in words is "two hundred fifty-five million, nine hundred twenty-three thousand, six hundred twenty-two".