225709532 has 12 divisors (see below), whose sum is σ = 395212776. Its totient is φ = 112791600.

The previous prime is 225709507. The next prime is 225709553. The reversal of 225709532 is 235907522.

It is a junction number, because it is equal to n+sod(n) for n = 225709492 and 225709501.

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, 7238 + ... + 22445.

It is an arithmetic number, because the mean of its divisors is an integer number (32934398).

Almost surely, 2^225709532 is an apocalyptic number.

It is an amenable number.

225709532 is a deficient number, since it is larger than the sum of its proper divisors (169503244).

225709532 is a wasteful number, since it uses less digits than its factorization.

225709532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31588 (or 31586 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 225709532 is about 15023.6324502432. The cubic root of 225709532 is about 608.8588645328.

The spelling of 225709532 in words is "two hundred twenty-five million, seven hundred nine thousand, five hundred thirty-two".