225163732 has 12 divisors (see below), whose sum is σ = 394611616. Its totient is φ = 112417560.

The previous prime is 225163651. The next prime is 225163733. The reversal of 225163732 is 237361522.

It is a junction number, because it is equal to n+sod(n) for n = 225163694 and 225163703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225163733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37968 + ... + 43495.

Almost surely, 2^225163732 is an apocalyptic number.

It is an amenable number.

225163732 is a deficient number, since it is larger than the sum of its proper divisors (169447884).

225163732 is a wasteful number, since it uses less digits than its factorization.

225163732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82158 (or 82156 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 225163732 is about 15005.4567407993. The cubic root of 225163732 is about 608.3676972811.

The spelling of 225163732 in words is "two hundred twenty-five million, one hundred sixty-three thousand, seven hundred thirty-two".