225197704 has 8 divisors (see below), whose sum is σ = 422245710. Its totient is φ = 112598848.

The previous prime is 225197647. The next prime is 225197717. The reversal of 225197704 is 407791522.

225197704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 223502500 + 1695204 = 14950^2 + 1302^2 .

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

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14074849 + ... + 14074864.

Almost surely, 2^225197704 is an apocalyptic number.

It is an amenable number.

225197704 is a deficient number, since it is larger than the sum of its proper divisors (197048006).

225197704 is a wasteful number, since it uses less digits than its factorization.

225197704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28149719 (or 28149715 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 225197704 is about 15006.5886863071. The cubic root of 225197704 is about 608.3982919479.

The spelling of 225197704 in words is "two hundred twenty-five million, one hundred ninety-seven thousand, seven hundred four".