221022102323320 has 64 divisors (see below), whose sum is σ = 508909479661440. Its totient is φ = 86345246198400.

The previous prime is 221022102323311. The next prime is 221022102323551. The reversal of 221022102323320 is 23323201220122.

It is a super-2 number, since 2×221022102323320² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13996335 + ... + 25257505.

It is an arithmetic number, because the mean of its divisors is an integer number (7951710619710).

Almost surely, 2^{221022102323320} is an apocalyptic number.

221022102323320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221022102323320 is an abundant number, since it is smaller than the sum of its proper divisors (287887377338120).

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

221022102323320 is a wasteful number, since it uses less digits than its factorization.

221022102323320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11272636 (or 11272632 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 221022102323320 its reverse (23323201220122), we get a palindrome (244345303543442).

The spelling of 221022102323320 in words is "two hundred twenty-one trillion, twenty-two billion, one hundred two million, three hundred twenty-three thousand, three hundred twenty".