256369224 has 32 divisors (see below), whose sum is σ = 668790720. Its totient is φ = 81740736.

The previous prime is 256369207. The next prime is 256369271. The reversal of 256369224 is 422963652.

256369224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231667 + ... + 232770.

It is an arithmetic number, because the mean of its divisors is an integer number (20899710).

Almost surely, 2^256369224 is an apocalyptic number.

256369224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

256369224 is an abundant number, since it is smaller than the sum of its proper divisors (412421496).

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

256369224 is a wasteful number, since it uses less digits than its factorization.

256369224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464469 (or 464465 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The square root of 256369224 is about 16011.5340926471. The cubic root of 256369224 is about 635.2655379825.

The spelling of 256369224 in words is "two hundred fifty-six million, three hundred sixty-nine thousand, two hundred twenty-four".