225342812 has 12 divisors (see below), whose sum is σ = 415105320. Its totient is φ = 106741296.

The previous prime is 225342797. The next prime is 225342829. The reversal of 225342812 is 218243522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1482443 + ... + 1482594.

It is an arithmetic number, because the mean of its divisors is an integer number (34592110).

Almost surely, 2^225342812 is an apocalyptic number.

It is an amenable number.

225342812 is a deficient number, since it is larger than the sum of its proper divisors (189762508).

225342812 is a wasteful number, since it uses less digits than its factorization.

225342812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965060 (or 2965058 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 225342812 is about 15011.4227173843. The cubic root of 225342812 is about 608.5289393783.

The spelling of 225342812 in words is "two hundred twenty-five million, three hundred forty-two thousand, eight hundred twelve".