225535530 has 48 divisors (see below), whose sum is σ = 594976032. Its totient is φ = 54674400.

The previous prime is 225535517. The next prime is 225535543. The reversal of 225535530 is 35535522.

225535530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (225535517) and next prime (225535543).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27436 + ... + 34695.

It is an arithmetic number, because the mean of its divisors is an integer number (12395334).

Almost surely, 2^225535530 is an apocalyptic number.

225535530 is an abundant number, since it is smaller than the sum of its proper divisors (369440502).

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

225535530 is a wasteful number, since it uses less digits than its factorization.

225535530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62163 (or 62152 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 30.

The square root of 225535530 is about 15017.8403906820. The cubic root of 225535530 is about 608.7023656099.

The spelling of 225535530 in words is "two hundred twenty-five million, five hundred thirty-five thousand, five hundred thirty".