22232321013 has 24 divisors (see below), whose sum is σ = 36511186752. Its totient is φ = 11956877184.

The previous prime is 22232320993. The next prime is 22232321051. The reversal of 22232321013 is 31012323222.

It is a happy number.

It is not a de Polignac number, because 22232321013 - 2¹³ = 22232312821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22232321113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4445745 + ... + 4450742.

It is an arithmetic number, because the mean of its divisors is an integer number (1521299448).

Almost surely, 2^22232321013 is an apocalyptic number.

It is an amenable number.

22232321013 is a deficient number, since it is larger than the sum of its proper divisors (14278865739).

22232321013 is a wasteful number, since it uses less digits than its factorization.

22232321013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8896521 (or 8896514 counting only the distinct ones).

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

Adding to 22232321013 its reverse (31012323222), we get a palindrome (53244644235).

The spelling of 22232321013 in words is "twenty-two billion, two hundred thirty-two million, three hundred twenty-one thousand, thirteen".