225156435132 has 96 divisors (see below), whose sum is σ = 534658424832. Its totient is φ = 73739586816.

The previous prime is 225156435131. The next prime is 225156435137. The reversal of 225156435132 is 231534651522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225156435131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73030063 + ... + 73033145.

It is an arithmetic number, because the mean of its divisors is an integer number (5569358592).

Almost surely, 2^225156435132 is an apocalyptic number.

It is an amenable number.

225156435132 is an abundant number, since it is smaller than the sum of its proper divisors (309501989700).

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

225156435132 is a wasteful number, since it uses less digits than its factorization.

225156435132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667 (or 3665 counting only the distinct ones).

The product of its digits is 216000, while the sum is 39.

The spelling of 225156435132 in words is "two hundred twenty-five billion, one hundred fifty-six million, four hundred thirty-five thousand, one hundred thirty-two".