22021112022 has 48 divisors (see below), whose sum is σ = 54503665920. Its totient is φ = 5807763936.

The previous prime is 22021111999. The next prime is 22021112023.

22021112022 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22021111992 and 22021112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021112023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1544122 + ... + 1558317.

It is an arithmetic number, because the mean of its divisors is an integer number (1135493040).

Almost surely, 2^22021112022 is an apocalyptic number.

22021112022 is an abundant number, since it is smaller than the sum of its proper divisors (32482553898).

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

22021112022 is a wasteful number, since it uses less digits than its factorization.

22021112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3102477 (or 3102464 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The spelling of 22021112022 in words is "twenty-two billion, twenty-one million, one hundred twelve thousand, twenty-two".