225135292 has 12 divisors (see below), whose sum is σ = 394104816. Its totient is φ = 112533920.

The previous prime is 225135283. The next prime is 225135347. The reversal of 225135292 is 292531522.

It is a congruent number.

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, 12192 + ... + 24472.

It is an arithmetic number, because the mean of its divisors is an integer number (32842068).

Almost surely, 2^225135292 is an apocalyptic number.

It is an amenable number.

225135292 is a deficient number, since it is larger than the sum of its proper divisors (168969524).

225135292 is a wasteful number, since it uses less digits than its factorization.

225135292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16868 (or 16866 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 225135292 is about 15004.5090556139. The cubic root of 225135292 is about 608.3420822828.

The spelling of 225135292 in words is "two hundred twenty-five million, one hundred thirty-five thousand, two hundred ninety-two".