22212202212210 has 128 divisors (see below), whose sum is σ = 59420497466880. Its totient is φ = 5285253349376.

The previous prime is 22212202212199. The next prime is 22212202212301. The reversal of 22212202212210 is 1221220221222.

It is a super-2 number, since 2×22212202212210² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7053375 + ... + 9704354.

It is an arithmetic number, because the mean of its divisors is an integer number (464222636460).

Almost surely, 2^{22212202212210} is an apocalyptic number.

22212202212210 is an abundant number, since it is smaller than the sum of its proper divisors (37208295254670).

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

22212202212210 is a wasteful number, since it uses less digits than its factorization.

22212202212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16757892.

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

Adding to 22212202212210 its reverse (1221220221222), we get a palindrome (23433422433432).

The spelling of 22212202212210 in words is "twenty-two trillion, two hundred twelve billion, two hundred two million, two hundred twelve thousand, two hundred ten".