225431236324 has 18 divisors (see below), whose sum is σ = 458913588630. Its totient is φ = 96613386912.

The previous prime is 225431236321. The next prime is 225431236343. The reversal of 225431236324 is 423632134522.

It can be written as a sum of positive squares in only one way, i.e., 115850375424 + 109580860900 = 340368^2 + 331030^2 .

It is not an unprimeable number, because it can be changed into a prime (225431236321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 575079489 + ... + 575079880.

Almost surely, 2^225431236324 is an apocalyptic number.

It is an amenable number.

225431236324 is an abundant number, since it is smaller than the sum of its proper divisors (233482352306).

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

225431236324 is a wasteful number, since it uses less digits than its factorization.

225431236324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150159387 (or 1150159378 counting only the distinct ones).

The product of its digits is 207360, while the sum is 37.

The spelling of 225431236324 in words is "two hundred twenty-five billion, four hundred thirty-one million, two hundred thirty-six thousand, three hundred twenty-four".