22312110321220 has 24 divisors (see below), whose sum is σ = 47945092878144. Its totient is φ = 8717289613536.

The previous prime is 22312110321217. The next prime is 22312110321239. The reversal of 22312110321220 is 2212301121322.

It is a super-3 number, since 3×22312110321220³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22312110321191 and 22312110321200.

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, 12972156304 + ... + 12972158023.

It is an arithmetic number, because the mean of its divisors is an integer number (1997712203256).

Almost surely, 2^{22312110321220} is an apocalyptic number.

22312110321220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22312110321220 is an abundant number, since it is smaller than the sum of its proper divisors (25632982556924).

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

22312110321220 is a wasteful number, since it uses less digits than its factorization.

22312110321220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25944314379 (or 25944314377 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 22312110321220 its reverse (2212301121322), we get a palindrome (24524411442542).

The spelling of 22312110321220 in words is "twenty-two trillion, three hundred twelve billion, one hundred ten million, three hundred twenty-one thousand, two hundred twenty".