225719555004 has 36 divisors (see below), whose sum is σ = 574203086184. Its totient is φ = 74760615072.

The previous prime is 225719554993. The next prime is 225719555021. The reversal of 225719555004 is 400555917522.

225719555004 is a `hidden beast` number, since 2 + 2 + 5 + 7 + 1 + 95 + 550 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×225719555004² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19962462 + ... + 19973765.

Almost surely, 2^225719555004 is an apocalyptic number.

It is an amenable number.

225719555004 is an abundant number, since it is smaller than the sum of its proper divisors (348483531180).

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

225719555004 is a wasteful number, since it uses less digits than its factorization.

225719555004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39936394 (or 39936389 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 45.

The spelling of 225719555004 in words is "two hundred twenty-five billion, seven hundred nineteen million, five hundred fifty-five thousand, four".