225021670204 has 12 divisors (see below), whose sum is σ = 394166936800. Its totient is φ = 112402545408.

The previous prime is 225021670189. The next prime is 225021670241. The reversal of 225021670204 is 402076120522.

It is a super-2 number, since 2×225021670204² (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 3 ways as a sum of consecutive naturals, for example, 27067749 + ... + 27076060.

Almost surely, 2^225021670204 is an apocalyptic number.

It is an amenable number.

225021670204 is a deficient number, since it is larger than the sum of its proper divisors (169145266596).

225021670204 is a wasteful number, since it uses less digits than its factorization.

225021670204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54144852 (or 54144850 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

Adding to 225021670204 its reverse (402076120522), we get a palindrome (627097790726).

The spelling of 225021670204 in words is "two hundred twenty-five billion, twenty-one million, six hundred seventy thousand, two hundred four".