225646412 has 12 divisors (see below), whose sum is σ = 395058216. Its totient is φ = 112772640.

The previous prime is 225646403. The next prime is 225646471. The reversal of 225646412 is 214646522.

It is a hoax number, since the sum of its digits (32) 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 in 3 ways as a sum of consecutive naturals, for example, 1514 + ... + 21297.

It is an arithmetic number, because the mean of its divisors is an integer number (32921518).

Almost surely, 2^225646412 is an apocalyptic number.

It is an amenable number.

225646412 is a deficient number, since it is larger than the sum of its proper divisors (169411804).

225646412 is a wasteful number, since it uses less digits than its factorization.

225646412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25288 (or 25286 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 225646412 is about 15021.5316129881. The cubic root of 225646412 is about 608.8021031514.

The spelling of 225646412 in words is "two hundred twenty-five million, six hundred forty-six thousand, four hundred twelve".