256227052 has 12 divisors (see below), whose sum is σ = 453020680. Its totient is φ = 126792576.

The previous prime is 256227031. The next prime is 256227091. The reversal of 256227052 is 250722652.

It is a super-2 number, since 2×256227052² = 131304604353221408, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 329802 + ... + 330577.

Almost surely, 2^256227052 is an apocalyptic number.

It is an amenable number.

256227052 is a deficient number, since it is larger than the sum of its proper divisors (196793628).

256227052 is a wasteful number, since it uses less digits than its factorization.

256227052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660480 (or 660478 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 256227052 is about 16007.0938024365. The cubic root of 256227052 is about 635.1480854126.

The spelling of 256227052 in words is "two hundred fifty-six million, two hundred twenty-seven thousand, fifty-two".