225676212 has 24 divisors (see below), whose sum is σ = 538825056. Its totient is φ = 73475808.

The previous prime is 225676201. The next prime is 225676237. The reversal of 225676212 is 212676522.

It is a congruent number.

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, 218163 + ... + 219194.

It is an arithmetic number, because the mean of its divisors is an integer number (22451044).

Almost surely, 2^225676212 is an apocalyptic number.

It is an amenable number.

225676212 is an abundant number, since it is smaller than the sum of its proper divisors (313148844).

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

225676212 is a wasteful number, since it uses less digits than its factorization.

225676212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437407 (or 437405 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 225676212 is about 15022.5234897470. The cubic root of 225676212 is about 608.8289024608.

The spelling of 225676212 in words is "two hundred twenty-five million, six hundred seventy-six thousand, two hundred twelve".