225150520 has 64 divisors (see below), whose sum is σ = 597657600. Its totient is φ = 74701440.

The previous prime is 225150493. The next prime is 225150559. The reversal of 225150520 is 25051522.

225150520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 225150491 and 225150500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4290 + ... + 21649.

It is an arithmetic number, because the mean of its divisors is an integer number (9338400).

Almost surely, 2^225150520 is an apocalyptic number.

225150520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225150520 is an abundant number, since it is smaller than the sum of its proper divisors (372507080).

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

225150520 is a wasteful number, since it uses less digits than its factorization.

225150520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25988 (or 25984 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 225150520 is about 15005.0164944928. The cubic root of 225150520 is about 608.3557979236.

The spelling of 225150520 in words is "two hundred twenty-five million, one hundred fifty thousand, five hundred twenty".