225214632724 has 12 divisors (see below), whose sum is σ = 417309466644. Its totient is φ = 105983356544.

The previous prime is 225214632691. The next prime is 225214632733. The reversal of 225214632724 is 427236412522.

It can be written as a sum of positive squares in 2 ways, for example, as 208226117124 + 16988515600 = 456318^2 + 130340^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1655989879 + ... + 1655990014.

It is an arithmetic number, because the mean of its divisors is an integer number (34775788887).

Almost surely, 2^225214632724 is an apocalyptic number.

It is an amenable number.

225214632724 is a deficient number, since it is larger than the sum of its proper divisors (192094833920).

225214632724 is a wasteful number, since it uses less digits than its factorization.

225214632724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3311979914 (or 3311979912 counting only the distinct ones).

The product of its digits is 322560, while the sum is 40.

The spelling of 225214632724 in words is "two hundred twenty-five billion, two hundred fourteen million, six hundred thirty-two thousand, seven hundred twenty-four".