22102222220022 has 16 divisors (see below), whose sum is σ = 50519365074432. Its totient is φ = 6314920634280.

The previous prime is 22102222219967. The next prime is 22102222220027. The reversal of 22102222220022 is 22002222220122.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102222220027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263121693054 + ... + 263121693137.

It is an arithmetic number, because the mean of its divisors is an integer number (3157460317152).

Almost surely, 2^{22102222220022} is an apocalyptic number.

22102222220022 is an abundant number, since it is smaller than the sum of its proper divisors (28417142854410).

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

22102222220022 is a wasteful number, since it uses less digits than its factorization.

22102222220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526243386203.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 22102222220022 its reverse (22002222220122), we get a palindrome (44104444440144).

The spelling of 22102222220022 in words is "twenty-two trillion, one hundred two billion, two hundred twenty-two million, two hundred twenty thousand, twenty-two".