225020504 has 8 divisors (see below), whose sum is σ = 421913460. Its totient is φ = 112510248.

The previous prime is 225020489. The next prime is 225020507. The reversal of 225020504 is 405020522.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225020507) by changing a digit.

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 as a sum of consecutive naturals, namely, 14063774 + ... + 14063789.

Almost surely, 2^225020504 is an apocalyptic number.

It is an amenable number.

225020504 is a deficient number, since it is larger than the sum of its proper divisors (196892956).

225020504 is a wasteful number, since it uses less digits than its factorization.

225020504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28127569 (or 28127565 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 225020504 is about 15000.6834510965. The cubic root of 225020504 is about 608.2386744731.

The spelling of 225020504 in words is "two hundred twenty-five million, twenty thousand, five hundred four".