332242220 has 24 divisors (see below), whose sum is σ = 738751104. Its totient is φ = 125079296.

The previous prime is 332242193. The next prime is 332242223. The reversal of 332242220 is 22242233.

It is a super-2 number, since 2×332242220² = 220769785501056800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 332242192 and 332242201.

It is not an unprimeable number, because it can be changed into a prime (332242223) 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, 488252 + ... + 488931.

It is an arithmetic number, because the mean of its divisors is an integer number (30781296).

Almost surely, 2^332242220 is an apocalyptic number.

It is an amenable number.

332242220 is an abundant number, since it is smaller than the sum of its proper divisors (406508884).

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

332242220 is a wasteful number, since it uses less digits than its factorization.

332242220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977209 (or 977207 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 332242220 is about 18227.5127211586. The cubic root of 332242220 is about 692.6039116487.

Adding to 332242220 its reverse (22242233), we get a palindrome (354484453).

The spelling of 332242220 in words is "three hundred thirty-two million, two hundred forty-two thousand, two hundred twenty".