22100122202022 has 48 divisors (see below), whose sum is σ = 49335231647520. Its totient is φ = 7146502636416.

The previous prime is 22100122201957. The next prime is 22100122202057. The reversal of 22100122202022 is 22020222100122.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22100122201986 and 22100122202004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130059738 + ... + 130229549.

It is an arithmetic number, because the mean of its divisors is an integer number (1027817325990).

Almost surely, 2^{22100122202022} is an apocalyptic number.

22100122202022 is an abundant number, since it is smaller than the sum of its proper divisors (27235109445498).

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

22100122202022 is a wasteful number, since it uses less digits than its factorization.

22100122202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260289437 (or 260289434 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22100122202022 its reverse (22020222100122), we get a palindrome (44120344302144).

The spelling of 22100122202022 in words is "twenty-two trillion, one hundred billion, one hundred twenty-two million, two hundred two thousand, twenty-two".