225727653632 has 72 divisors (see below), whose sum is σ = 485370856320. Its totient is φ = 104152412160.

The previous prime is 225727653587. The next prime is 225727653667. The reversal of 225727653632 is 236356727522.

It is a super-2 number, since 2×225727653632² (a number of 24 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 7 ways as a sum of consecutive naturals, for example, 15431282 + ... + 15445902.

Almost surely, 2^225727653632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225727653632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242685428160).

225727653632 is an abundant number, since it is smaller than the sum of its proper divisors (259643202688).

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

225727653632 is a wasteful number, since it uses less digits than its factorization.

225727653632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19289 (or 19275 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 50.

The spelling of 225727653632 in words is "two hundred twenty-five billion, seven hundred twenty-seven million, six hundred fifty-three thousand, six hundred thirty-two".