225494012 has 36 divisors (see below), whose sum is σ = 409735368. Its totient is φ = 108544800.

The previous prime is 225493993. The next prime is 225494023. The reversal of 225494012 is 210494522.

It is a super-2 number, since 2×225494012² = 101695098895712288, which 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 11 ways as a sum of consecutive naturals, for example, 1068587 + ... + 1068797.

It is an arithmetic number, because the mean of its divisors is an integer number (11381538).

Almost surely, 2^225494012 is an apocalyptic number.

It is an amenable number.

225494012 is a deficient number, since it is larger than the sum of its proper divisors (184241356).

225494012 is a wasteful number, since it uses less digits than its factorization.

225494012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 225494012 is about 15016.4580377664. The cubic root of 225494012 is about 608.6650120634.

The spelling of 225494012 in words is "two hundred twenty-five million, four hundred ninety-four thousand, twelve".