255323222 has 48 divisors (see below), whose sum is σ = 488540160. Its totient is φ = 98960400.

The previous prime is 255323183. The next prime is 255323287. The reversal of 255323222 is 222323552.

It is a super-2 number, since 2×255323222² = 130379895384922568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 255323191 and 255323200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 257147 + ... + 258137.

It is an arithmetic number, because the mean of its divisors is an integer number (10177920).

Almost surely, 2^255323222 is an apocalyptic number.

255323222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

255323222 is a deficient number, since it is larger than the sum of its proper divisors (233216938).

255323222 is a wasteful number, since it uses less digits than its factorization.

255323222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257 (or 1250 counting only the distinct ones).

The product of its digits is 7200, while the sum is 26.

The square root of 255323222 is about 15978.8366910736. The cubic root of 255323222 is about 634.4003863008.

Adding to 255323222 its reverse (222323552), we get a palindrome (477646774).

The spelling of 255323222 in words is "two hundred fifty-five million, three hundred twenty-three thousand, two hundred twenty-two".