225720434504 has 8 divisors (see below), whose sum is σ = 423225814710. Its totient is φ = 112860217248.

The previous prime is 225720434477. The next prime is 225720434521. The reversal of 225720434504 is 405434027522.

It can be written as a sum of positive squares in only one way, i.e., 222227388100 + 3493046404 = 471410^2 + 59102^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14107527149 + ... + 14107527164.

Almost surely, 2^225720434504 is an apocalyptic number.

It is an amenable number.

225720434504 is a deficient number, since it is larger than the sum of its proper divisors (197505380206).

225720434504 is a wasteful number, since it uses less digits than its factorization.

225720434504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28215054319 (or 28215054315 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 38.

The spelling of 225720434504 in words is "two hundred twenty-five billion, seven hundred twenty million, four hundred thirty-four thousand, five hundred four".