225738560 has 56 divisors (see below), whose sum is σ = 560929536. Its totient is φ = 86366720.

The previous prime is 225738547. The next prime is 225738571. The reversal of 225738560 is 65837522.

It is a congruent number.

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, 7976 + ... + 22695.

Almost surely, 2^225738560 is an apocalyptic number.

225738560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225738560 is an abundant number, since it is smaller than the sum of its proper divisors (335190976).

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

225738560 is a wasteful number, since it uses less digits than its factorization.

225738560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30711 (or 30701 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 225738560 is about 15024.5984971313. The cubic root of 225738560 is about 608.8849647413.

The spelling of 225738560 in words is "two hundred twenty-five million, seven hundred thirty-eight thousand, five hundred sixty".