22021002122022 has 64 divisors (see below), whose sum is σ = 50877538252800. Its totient is φ = 7052444327520.

The previous prime is 22021002121997. The next prime is 22021002122071. The reversal of 22021002122022 is 22022120012022.

22021002122022 is a `hidden beast` number, since 220 + 210 + 0 + 212 + 2 + 0 + 22 = 666.

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 = 22021002121986 and 22021002122004.

It is a congruent number.

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, 47086453 + ... + 47551824.

It is an arithmetic number, because the mean of its divisors is an integer number (794961535200).

Almost surely, 2^{22021002122022} is an apocalyptic number.

22021002122022 is an abundant number, since it is smaller than the sum of its proper divisors (28856536130778).

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

22021002122022 is a wasteful number, since it uses less digits than its factorization.

22021002122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94638458 (or 94638452 counting only the distinct ones).

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

Adding to 22021002122022 its reverse (22022120012022), we get a palindrome (44043122134044).

The spelling of 22021002122022 in words is "twenty-two trillion, twenty-one billion, two million, one hundred twenty-two thousand, twenty-two".