22122312202220 has 12 divisors (see below), whose sum is σ = 46456855624704. Its totient is φ = 8848924880880.

The previous prime is 22122312202189. The next prime is 22122312202231. The reversal of 22122312202220 is 2220221322122.

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, 553057805036 + ... + 553057805075.

It is an arithmetic number, because the mean of its divisors is an integer number (3871404635392).

Almost surely, 2^{22122312202220} is an apocalyptic number.

22122312202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122312202220 is an abundant number, since it is smaller than the sum of its proper divisors (24334543422484).

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

22122312202220 is a wasteful number, since it uses less digits than its factorization.

22122312202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106115610120 (or 1106115610118 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 22122312202220 its reverse (2220221322122), we get a palindrome (24342533524342).

The spelling of 22122312202220 in words is "twenty-two trillion, one hundred twenty-two billion, three hundred twelve million, two hundred two thousand, two hundred twenty".