225529752852 has 36 divisors (see below), whose sum is σ = 571704112980. Its totient is φ = 74963615232.

The previous prime is 225529752781. The next prime is 225529752871. The reversal of 225529752852 is 258257925522.

225529752852 is a `hidden beast` number, since 2 + 2 + 552 + 9 + 7 + 5 + 2 + 85 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 165164211216 + 60365541636 = 406404^2 + 245694^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8860827 + ... + 8886242.

It is an arithmetic number, because the mean of its divisors is an integer number (15880669805).

Almost surely, 2^225529752852 is an apocalyptic number.

It is an amenable number.

225529752852 is an abundant number, since it is smaller than the sum of its proper divisors (346174360128).

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

225529752852 is a wasteful number, since it uses less digits than its factorization.

225529752852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17747432 (or 17747427 counting only the distinct ones).

The product of its digits is 10080000, while the sum is 54.

The spelling of 225529752852 in words is "two hundred twenty-five billion, five hundred twenty-nine million, seven hundred fifty-two thousand, eight hundred fifty-two".