22022112212210 has 64 divisors (see below), whose sum is σ = 44999066280960. Its totient is φ = 7689234194880.

The previous prime is 22022112212179. The next prime is 22022112212239. The reversal of 22022112212210 is 1221221122022.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39177182 + ... + 39735321.

It is an arithmetic number, because the mean of its divisors is an integer number (703110410640).

Almost surely, 2^{22022112212210} is an apocalyptic number.

22022112212210 is an abundant number, since it is smaller than the sum of its proper divisors (22976954068750).

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

22022112212210 is a wasteful number, since it uses less digits than its factorization.

22022112212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78912623.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22022112212210 its reverse (1221221122022), we get a palindrome (23243333334232).

The spelling of 22022112212210 in words is "twenty-two trillion, twenty-two billion, one hundred twelve million, two hundred twelve thousand, two hundred ten".