225397926 has 24 divisors (see below), whose sum is σ = 525929040. Its totient is φ = 69353136.

The previous prime is 225397847. The next prime is 225397937. The reversal of 225397926 is 629793522.

It is a happy number.

225397926 is a `hidden beast` number, since 22 + 539 + 7 + 92 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481386 + ... + 481853.

It is an arithmetic number, because the mean of its divisors is an integer number (21913710).

Almost surely, 2^225397926 is an apocalyptic number.

225397926 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

225397926 is an abundant number, since it is smaller than the sum of its proper divisors (300531114).

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

225397926 is a wasteful number, since it uses less digits than its factorization.

225397926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963260 (or 963257 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 225397926 is about 15013.2583405469. The cubic root of 225397926 is about 608.5785463597.

The spelling of 225397926 in words is "two hundred twenty-five million, three hundred ninety-seven thousand, nine hundred twenty-six".