225709332 has 48 divisors (see below), whose sum is σ = 538847232. Its totient is φ = 73513440.

The previous prime is 225709313. The next prime is 225709381. The reversal of 225709332 is 233907522.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 225709293 and 225709302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104253 + ... + 106395.

It is an arithmetic number, because the mean of its divisors is an integer number (11225984).

Almost surely, 2^225709332 is an apocalyptic number.

It is an amenable number.

225709332 is an abundant number, since it is smaller than the sum of its proper divisors (313137900).

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

225709332 is a wasteful number, since it uses less digits than its factorization.

225709332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348 (or 2346 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 225709332 is about 15023.6257940618. The cubic root of 225709332 is about 608.8586846973.

The spelling of 225709332 in words is "two hundred twenty-five million, seven hundred nine thousand, three hundred thirty-two".