255531022 has 8 divisors (see below), whose sum is σ = 383905872. Its totient is φ = 127562400.

The previous prime is 255531011. The next prime is 255531037. The reversal of 255531022 is 220135552.

It is a happy number.

255531022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×255531022² = 130592206408728968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99979 + ... + 102502.

It is an arithmetic number, because the mean of its divisors is an integer number (47988234).

Almost surely, 2^255531022 is an apocalyptic number.

255531022 is a deficient number, since it is larger than the sum of its proper divisors (128374850).

255531022 is a wasteful number, since it uses less digits than its factorization.

255531022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203114.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 255531022 is about 15985.3377192976. The cubic root of 255531022 is about 634.5724461858.

Adding to 255531022 its reverse (220135552), we get a palindrome (475666574).

The spelling of 255531022 in words is "two hundred fifty-five million, five hundred thirty-one thousand, twenty-two".