332043021 has 12 divisors (see below), whose sum is σ = 481391040. Its totient is φ = 220543560.

The previous prime is 332043017. The next prime is 332043059. The reversal of 332043021 is 120340233.

It is not a de Polignac number, because 332043021 - 2² = 332043017 is a prime.

It is a super-2 number, since 2×332043021² = 220505135589612882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 332042985 and 332043003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332043001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65631 + ... + 70508.

It is an arithmetic number, because the mean of its divisors is an integer number (40115920).

Almost surely, 2^332043021 is an apocalyptic number.

It is an amenable number.

332043021 is a deficient number, since it is larger than the sum of its proper divisors (149348019).

332043021 is a wasteful number, since it uses less digits than its factorization.

332043021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136416 (or 136413 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 332043021 is about 18222.0476621043. The cubic root of 332043021 is about 692.4654648767.

Adding to 332043021 its reverse (120340233), we get a palindrome (452383254).

The spelling of 332043021 in words is "three hundred thirty-two million, forty-three thousand, twenty-one".