22232321022 has 16 divisors (see below), whose sum is σ = 45090905472. Its totient is φ = 7306396440.

The previous prime is 22232320993. The next prime is 22232321051. The reversal of 22232321022 is 22012323222.

It is an interprime number because it is at equal distance from previous prime (22232320993) and next prime (22232321051).

It is a self number, because there is not a number n which added to its sum of digits gives 22232321022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26093848 + ... + 26094699.

It is an arithmetic number, because the mean of its divisors is an integer number (2818181592).

Almost surely, 2^22232321022 is an apocalyptic number.

22232321022 is an abundant number, since it is smaller than the sum of its proper divisors (22858584450).

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

22232321022 is a wasteful number, since it uses less digits than its factorization.

22232321022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52188623.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22232321022 its reverse (22012323222), we get a palindrome (44244644244).

The spelling of 22232321022 in words is "twenty-two billion, two hundred thirty-two million, three hundred twenty-one thousand, twenty-two".