332002221 has 16 divisors (see below), whose sum is σ = 456364800. Its totient is φ = 214532928.

The previous prime is 332002213. The next prime is 332002259. The reversal of 332002221 is 122200233.

It is not a de Polignac number, because 332002221 - 2³ = 332002213 is a prime.

It is a super-2 number, since 2×332002221² = 220450949497865682, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 332002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332002201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24300 + ... + 35418.

It is an arithmetic number, because the mean of its divisors is an integer number (28522800).

Almost surely, 2^332002221 is an apocalyptic number.

It is an amenable number.

332002221 is a deficient number, since it is larger than the sum of its proper divisors (124362579).

332002221 is a wasteful number, since it uses less digits than its factorization.

332002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11428.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 332002221 is about 18220.9281047920. The cubic root of 332002221 is about 692.4371013349.

Adding to 332002221 its reverse (122200233), we get a palindrome (454202454).

The spelling of 332002221 in words is "three hundred thirty-two million, two thousand, two hundred twenty-one".