225746134477272 has 96 divisors (see below), whose sum is σ = 650212046593200. Its totient is φ = 70510324027392.

The previous prime is 225746134477267. The next prime is 225746134477291. The reversal of 225746134477272 is 272774431647522.

It is a happy number.

225746134477272 is a `hidden beast` number, since 2 + 2 + 5 + 7 + 4 + 6 + 134 + 477 + 27 + 2 = 666.

225746134477272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×225746134477272² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 405962497 + ... + 406518192.

Almost surely, 2^{225746134477272} is an apocalyptic number.

It is an amenable number.

225746134477272 is an abundant number, since it is smaller than the sum of its proper divisors (424465912115928).

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

225746134477272 is a wasteful number, since it uses less digits than its factorization.

225746134477272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812480945 (or 812480938 counting only the distinct ones).

The product of its digits is 221276160, while the sum is 63.

The spelling of 225746134477272 in words is "two hundred twenty-five trillion, seven hundred forty-six billion, one hundred thirty-four million, four hundred seventy-seven thousand, two hundred seventy-two".