332302221 has 12 divisors (see below), whose sum is σ = 484745820. Its totient is φ = 219340800.

The previous prime is 332302211. The next prime is 332302241. The reversal of 332302221 is 122203233.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 208224900 + 124077321 = 14430^2 + 11139^2 .

It is not a de Polignac number, because 332302221 - 2¹⁰ = 332301197 is a prime.

It is a super-2 number, since 2×332302221² = 220849532163065682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 332302194 and 332302203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332302211) 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, 181876 + ... + 183693.

It is an arithmetic number, because the mean of its divisors is an integer number (40395485).

Almost surely, 2^332302221 is an apocalyptic number.

It is an amenable number.

332302221 is a deficient number, since it is larger than the sum of its proper divisors (152443599).

332302221 is a wasteful number, since it uses less digits than its factorization.

332302221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365676 (or 365673 counting only the distinct ones).

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

The square root of 332302221 is about 18229.1585379029. The cubic root of 332302221 is about 692.6456025431.

Adding to 332302221 its reverse (122203233), we get a palindrome (454505454).

The spelling of 332302221 in words is "three hundred thirty-two million, three hundred two thousand, two hundred twenty-one".