22221200212210 has 16 divisors (see below), whose sum is σ = 40243547871936. Its totient is φ = 8833949531568.

The previous prime is 22221200212193. The next prime is 22221200212213. The reversal of 22221200212210 is 1221200212222.

It is a super-2 number, since 2×22221200212210² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22221200212213) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6816317454 + ... + 6816320713.

It is an arithmetic number, because the mean of its divisors is an integer number (2515221741996).

Almost surely, 2^{22221200212210} is an apocalyptic number.

22221200212210 is a deficient number, since it is larger than the sum of its proper divisors (18022347659726).

22221200212210 is a wasteful number, since it uses less digits than its factorization.

22221200212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13632638337.

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

Adding to 22221200212210 its reverse (1221200212222), we get a palindrome (23442400424432).

The spelling of 22221200212210 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred million, two hundred twelve thousand, two hundred ten".