22022212212210 has 96 divisors (see below), whose sum is σ = 61483928584320. Its totient is φ = 5033525081088.

The previous prime is 22022212212181. The next prime is 22022212212233. The reversal of 22022212212210 is 1221221222022.

It is a super-2 number, since 2×22022212212210² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68528386 + ... + 68848994.

It is an arithmetic number, because the mean of its divisors is an integer number (640457589420).

Almost surely, 2^{22022212212210} is an apocalyptic number.

22022212212210 is an abundant number, since it is smaller than the sum of its proper divisors (39461716372110).

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

22022212212210 is a wasteful number, since it uses less digits than its factorization.

22022212212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367360 (or 367353 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22022212212210 its reverse (1221221222022), we get a palindrome (23243433434232).

The spelling of 22022212212210 in words is "twenty-two trillion, twenty-two billion, two hundred twelve million, two hundred twelve thousand, two hundred ten".