225609996 has 24 divisors (see below), whose sum is σ = 526867264. Its totient is φ = 75139920.

The previous prime is 225609961. The next prime is 225609997. The reversal of 225609996 is 699906522.

It is not an unprimeable number, because it can be changed into a prime (225609997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8211 + ... + 22773.

Almost surely, 2^225609996 is an apocalyptic number.

It is an amenable number.

225609996 is an abundant number, since it is smaller than the sum of its proper divisors (301257268).

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

225609996 is a wasteful number, since it uses less digits than its factorization.

225609996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15861 (or 15859 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 48.

The square root of 225609996 is about 15020.3194373489. The cubic root of 225609996 is about 608.7693508319.

The spelling of 225609996 in words is "two hundred twenty-five million, six hundred nine thousand, nine hundred ninety-six".