225266212 has 36 divisors (see below), whose sum is σ = 418543104. Its totient is φ = 105973920.

The previous prime is 225266203. The next prime is 225266213. The reversal of 225266212 is 212662522.

It is not an unprimeable number, because it can be changed into a prime (225266213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169093 + ... + 170419.

Almost surely, 2^225266212 is an apocalyptic number.

It is an amenable number.

225266212 is a deficient number, since it is larger than the sum of its proper divisors (193276892).

225266212 is a wasteful number, since it uses less digits than its factorization.

225266212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436 (or 1397 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 225266212 is about 15008.8711101135. The cubic root of 225266212 is about 608.4599798539.

The spelling of 225266212 in words is "two hundred twenty-five million, two hundred sixty-six thousand, two hundred twelve".