225333333520 has 40 divisors (see below), whose sum is σ = 530212064256. Its totient is φ = 89047387008.

The previous prime is 225333333493. The next prime is 225333333553. The reversal of 225333333520 is 25333333522.

225333333520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×225333333520² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16961232 + ... + 16974511.

Almost surely, 2^225333333520 is an apocalyptic number.

225333333520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225333333520 is an abundant number, since it is smaller than the sum of its proper divisors (304878730736).

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

225333333520 is a wasteful number, since it uses less digits than its factorization.

225333333520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33935839 (or 33935833 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 34.

The spelling of 225333333520 in words is "two hundred twenty-five billion, three hundred thirty-three million, three hundred thirty-three thousand, five hundred twenty".