22021922022 has 16 divisors (see below), whose sum is σ = 44081470272. Its totient is φ = 7334369640.

The previous prime is 22021921973. The next prime is 22021922023. The reversal of 22021922022 is 22022912022.

It is a junction number, because it is equal to n+sod(n) for n = 22021921983 and 22021922001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021922023) 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, 1560148 + ... + 1574199.

It is an arithmetic number, because the mean of its divisors is an integer number (2755091892).

Almost surely, 2^22021922022 is an apocalyptic number.

22021922022 is an abundant number, since it is smaller than the sum of its proper divisors (22059548250).

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

22021922022 is a wasteful number, since it uses less digits than its factorization.

22021922022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3135523.

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 22021922022 in words is "twenty-two billion, twenty-one million, nine hundred twenty-two thousand, twenty-two".