52332220 has 24 divisors (see below), whose sum is σ = 110427408. Its totient is φ = 20832000.

The previous prime is 52332209. The next prime is 52332223. The reversal of 52332220 is 2223325.

It is a super-2 number, since 2×52332220² = 5477322500256800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52332223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1981 + ... + 10420.

It is an arithmetic number, because the mean of its divisors is an integer number (4601142).

Almost surely, 2^52332220 is an apocalyptic number.

It is an amenable number.

52332220 is an abundant number, since it is smaller than the sum of its proper divisors (58095188).

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

52332220 is a wasteful number, since it uses less digits than its factorization.

52332220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12621 (or 12619 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 52332220 is about 7234.1011881228. The cubic root of 52332220 is about 374.0443101914.

Adding to 52332220 its reverse (2223325), we get a palindrome (54555545).

The spelling of 52332220 in words is "fifty-two million, three hundred thirty-two thousand, two hundred twenty".