225757120 has 28 divisors (see below), whose sum is σ = 537584904. Its totient is φ = 90302720.

The previous prime is 225757109. The next prime is 225757139. The reversal of 225757120 is 21757522.

225757120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352426 + ... + 353065.

Almost surely, 2^225757120 is an apocalyptic number.

225757120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225757120 is an abundant number, since it is smaller than the sum of its proper divisors (311827784).

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

225757120 is an equidigital number, since it uses as much as digits as its factorization.

225757120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705508 (or 705498 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 225757120 is about 15025.2161382125. The cubic root of 225757120 is about 608.9016515895.

The spelling of 225757120 in words is "two hundred twenty-five million, seven hundred fifty-seven thousand, one hundred twenty".