332304221 has 8 divisors (see below), whose sum is σ = 351391488. Its totient is φ = 313740000.

The previous prime is 332304199. The next prime is 332304233. The reversal of 332304221 is 122403233.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 332304221 - 2⁶ = 332304157 is a prime.

It is a super-2 number, since 2×332304221² = 220852190588833682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 332304193 and 332304202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332304821) 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, 129455 + ... + 131996.

It is an arithmetic number, because the mean of its divisors is an integer number (43923936).

Almost surely, 2^332304221 is an apocalyptic number.

332304221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

332304221 is a deficient number, since it is larger than the sum of its proper divisors (19087267).

332304221 is a wasteful number, since it uses less digits than its factorization.

332304221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261523.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 332304221 is about 18229.2133949877. The cubic root of 332304221 is about 692.6469921300.

Adding to 332304221 its reverse (122403233), we get a palindrome (454707454).

The spelling of 332304221 in words is "three hundred thirty-two million, three hundred four thousand, two hundred twenty-one".