52231332 has 12 divisors (see below), whose sum is σ = 121873136. Its totient is φ = 17410440.

The previous prime is 52231303. The next prime is 52231357. The reversal of 52231332 is 23313225.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×52231332² = 5456224084988448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52231299 and 52231308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2176294 + ... + 2176317.

Almost surely, 2^52231332 is an apocalyptic number.

It is an amenable number.

52231332 is an abundant number, since it is smaller than the sum of its proper divisors (69641804).

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

52231332 is a wasteful number, since it uses less digits than its factorization.

52231332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4352618 (or 4352616 counting only the distinct ones).

The product of its digits is 1080, while the sum is 21.

The square root of 52231332 is about 7227.1247394797. The cubic root of 52231332 is about 373.8037900531.

Adding to 52231332 its reverse (23313225), we get a palindrome (75544557).

It can be divided in two parts, 5223 and 1332, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 52231332 in words is "fifty-two million, two hundred thirty-one thousand, three hundred thirty-two".