322121220232 has 32 divisors (see below), whose sum is σ = 691535718720. Its totient is φ = 137796759360.

The previous prime is 322121220199. The next prime is 322121220251. The reversal of 322121220232 is 232022121223.

It is a super-2 number, since 2×322121220232² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5285938 + ... + 5346529.

It is an arithmetic number, because the mean of its divisors is an integer number (21610491210).

Almost surely, 2^322121220232 is an apocalyptic number.

It is an amenable number.

322121220232 is an abundant number, since it is smaller than the sum of its proper divisors (369414498488).

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

322121220232 is a wasteful number, since it uses less digits than its factorization.

322121220232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10633021 (or 10633017 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 322121220232 its reverse (232022121223), we get a palindrome (554143341455).

Subtracting from 322121220232 its reverse (232022121223), we obtain a palindrome (90099099009).

The spelling of 322121220232 in words is "three hundred twenty-two billion, one hundred twenty-one million, two hundred twenty thousand, two hundred thirty-two".