225975996120004 has 81 divisors (see below), whose sum is σ = 443515381739157. Its totient is φ = 100695127723008.

The previous prime is 225975996120001. The next prime is 225975996120011. The reversal of 225975996120004 is 400021699579522.

The square root of 225975996120004 is 15032498.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 224937064401604 + 1038931718400 = 14997902^2 + 1019280^2 .

It is not an unprimeable number, because it can be changed into a prime (225975996120001) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11334493524 + ... + 11334513460.

Almost surely, 2^{225975996120004} is an apocalyptic number.

225975996120004 is the 15032498-th square number.

It is an amenable number.

225975996120004 is a deficient number, since it is larger than the sum of its proper divisors (217539385619153).

225975996120004 is an frugal number, since it uses more digits than its factorization.

225975996120004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39962 (or 19981 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 61.

The spelling of 225975996120004 in words is "two hundred twenty-five trillion, nine hundred seventy-five billion, nine hundred ninety-six million, one hundred twenty thousand, four".