225994989204 has 72 divisors (see below), whose sum is σ = 602767620000. Its totient is φ = 71196421824.

The previous prime is 225994989203. The next prime is 225994989211. The reversal of 225994989204 is 402989499522.

225994989204 is a `hidden beast` number, since 2 + 2 + 59 + 9 + 498 + 92 + 0 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225994989203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107679 + ... + 680870.

It is an arithmetic number, because the mean of its divisors is an integer number (8371772500).

Almost surely, 2^225994989204 is an apocalyptic number.

It is an amenable number.

225994989204 is an abundant number, since it is smaller than the sum of its proper divisors (376772630796).

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

225994989204 is a wasteful number, since it uses less digits than its factorization.

225994989204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788997 (or 788992 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 63.

The spelling of 225994989204 in words is "two hundred twenty-five billion, nine hundred ninety-four million, nine hundred eighty-nine thousand, two hundred four".