225999402 has 16 divisors (see below), whose sum is σ = 452146752. Its totient is φ = 75308480.

The previous prime is 225999383. The next prime is 225999463. The reversal of 225999402 is 204999522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30178 + ... + 36914.

It is an arithmetic number, because the mean of its divisors is an integer number (28259172).

Almost surely, 2^225999402 is an apocalyptic number.

225999402 is an abundant number, since it is smaller than the sum of its proper divisors (226147350).

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

225999402 is a wasteful number, since it uses less digits than its factorization.

225999402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12333.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 225999402 is about 15033.2764891756. The cubic root of 225999402 is about 609.1193976441.

The spelling of 225999402 in words is "two hundred twenty-five million, nine hundred ninety-nine thousand, four hundred two".