225136352772 has 48 divisors (see below), whose sum is σ = 583728909120. Its totient is φ = 75040042176.

The previous prime is 225136352759. The next prime is 225136352797. The reversal of 225136352772 is 277253631522.

It is a happy number.

225136352772 is a `hidden beast` number, since 2 + 2 + 5 + 1 + 3 + 635 + 2 + 7 + 7 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1603048 + ... + 1737824.

It is an arithmetic number, because the mean of its divisors is an integer number (12161018940).

Almost surely, 2^225136352772 is an apocalyptic number.

It is an amenable number.

225136352772 is an abundant number, since it is smaller than the sum of its proper divisors (358592556348).

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

225136352772 is a wasteful number, since it uses less digits than its factorization.

225136352772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150257 (or 150249 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 45.

The spelling of 225136352772 in words is "two hundred twenty-five billion, one hundred thirty-six million, three hundred fifty-two thousand, seven hundred seventy-two".