225531672272 has 10 divisors (see below), whose sum is σ = 436967615058. Its totient is φ = 112765836128.

The previous prime is 225531672259. The next prime is 225531672287. The reversal of 225531672272 is 272276135522.

It can be written as a sum of positive squares in only one way, i.e., 169724224576 + 55807447696 = 411976^2 + 236236^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7047864743 + ... + 7047864774.

Almost surely, 2^225531672272 is an apocalyptic number.

It is an amenable number.

225531672272 is a deficient number, since it is larger than the sum of its proper divisors (211435942786).

225531672272 is a wasteful number, since it uses less digits than its factorization.

225531672272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14095729525 (or 14095729519 counting only the distinct ones).

The product of its digits is 705600, while the sum is 44.

The spelling of 225531672272 in words is "two hundred twenty-five billion, five hundred thirty-one million, six hundred seventy-two thousand, two hundred seventy-two".