225536524 has 12 divisors (see below), whose sum is σ = 397570824. Its totient is φ = 111944864.

The previous prime is 225536513. The next prime is 225536533. The reversal of 225536524 is 425635522.

It is a self number, because there is not a number n which added to its sum of digits gives 225536524.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205234 + ... + 206329.

It is an arithmetic number, because the mean of its divisors is an integer number (33130902).

Almost surely, 2^225536524 is an apocalyptic number.

It is an amenable number.

225536524 is a deficient number, since it is larger than the sum of its proper divisors (172034300).

225536524 is a wasteful number, since it uses less digits than its factorization.

225536524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411704 (or 411702 counting only the distinct ones).

The product of its digits is 72000, while the sum is 34.

The square root of 225536524 is about 15017.8734846183. The cubic root of 225536524 is about 608.7032598508.

The spelling of 225536524 in words is "two hundred twenty-five million, five hundred thirty-six thousand, five hundred twenty-four".