22013122332 has 12 divisors (see below), whose sum is σ = 51363952136. Its totient is φ = 7337707440.

The previous prime is 22013122309. The next prime is 22013122337. The reversal of 22013122332 is 23322131022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 22013122299 and 22013122308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22013122337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 917213419 + ... + 917213442.

Almost surely, 2^22013122332 is an apocalyptic number.

It is an amenable number.

22013122332 is an abundant number, since it is smaller than the sum of its proper divisors (29350829804).

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

22013122332 is a wasteful number, since it uses less digits than its factorization.

22013122332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834426868 (or 1834426866 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22013122332 its reverse (23322131022), we get a palindrome (45335253354).

The spelling of 22013122332 in words is "twenty-two billion, thirteen million, one hundred twenty-two thousand, three hundred thirty-two".