22200020212220 has 12 divisors (see below), whose sum is σ = 46620042445704. Its totient is φ = 8880008084880.

The previous prime is 22200020212211. The next prime is 22200020212243. The reversal of 22200020212220 is 2221202000222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555000505286 + ... + 555000505325.

It is an arithmetic number, because the mean of its divisors is an integer number (3885003537142).

Almost surely, 2^{22200020212220} is an apocalyptic number.

22200020212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200020212220 is an abundant number, since it is smaller than the sum of its proper divisors (24420022233484).

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

22200020212220 is a wasteful number, since it uses less digits than its factorization.

22200020212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110001010620 (or 1110001010618 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22200020212220 its reverse (2221202000222), we get a palindrome (24421222212442).

The spelling of 22200020212220 in words is "twenty-two trillion, two hundred billion, twenty million, two hundred twelve thousand, two hundred twenty".