225791456 has 24 divisors (see below), whose sum is σ = 484939224. Its totient is φ = 102632320.

The previous prime is 225791453. The next prime is 225791513. The reversal of 225791456 is 654197522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225791453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320375 + ... + 321078.

It is an arithmetic number, because the mean of its divisors is an integer number (20205801).

Almost surely, 2^225791456 is an apocalyptic number.

It is an amenable number.

225791456 is an abundant number, since it is smaller than the sum of its proper divisors (259147768).

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

225791456 is a wasteful number, since it uses less digits than its factorization.

225791456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641474 (or 641466 counting only the distinct ones).

The product of its digits is 151200, while the sum is 41.

The square root of 225791456 is about 15026.3587072850. The cubic root of 225791456 is about 608.9325198477.

The spelling of 225791456 in words is "two hundred twenty-five million, seven hundred ninety-one thousand, four hundred fifty-six".