22212200211220 has 48 divisors (see below), whose sum is σ = 46939089335040. Its totient is φ = 8828998206336.

The previous prime is 22212200211211. The next prime is 22212200211221. The reversal of 22212200211220 is 2211200221222.

It is a super-2 number, since 2×22212200211220² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212200211221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20562309 + ... + 21615571.

It is an arithmetic number, because the mean of its divisors is an integer number (977897694480).

Almost surely, 2^{22212200211220} is an apocalyptic number.

22212200211220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212200211220 is an abundant number, since it is smaller than the sum of its proper divisors (24726889123820).

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

22212200211220 is a wasteful number, since it uses less digits than its factorization.

22212200211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059904 (or 1059902 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22212200211220 its reverse (2211200221222), we get a palindrome (24423400432442).

The spelling of 22212200211220 in words is "twenty-two trillion, two hundred twelve billion, two hundred million, two hundred eleven thousand, two hundred twenty".