22343989052 has 96 divisors (see below), whose sum is σ = 50332477440. Its totient is φ = 8425451520.

The previous prime is 22343989033. The next prime is 22343989069. The reversal of 22343989052 is 25098934322.

It is a junction number, because it is equal to n+sod(n) for n = 22343988988 and 22343989006.

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, 2194349 + ... + 2204507.

It is an arithmetic number, because the mean of its divisors is an integer number (524296640).

Almost surely, 2^22343989052 is an apocalyptic number.

22343989052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22343989052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25166238720).

22343989052 is an abundant number, since it is smaller than the sum of its proper divisors (27988488388).

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

22343989052 is a wasteful number, since it uses less digits than its factorization.

22343989052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10411 (or 10409 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 22343989052 in words is "twenty-two billion, three hundred forty-three million, nine hundred eighty-nine thousand, fifty-two".