22231322013 has 8 divisors (see below), whose sum is σ = 29645892000. Its totient is φ = 14818816688.

The previous prime is 22231321949. The next prime is 22231322023. The reversal of 22231322013 is 31022313222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22231322013 - 2⁶ = 22231321949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231322023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490863 + ... + 534236.

It is an arithmetic number, because the mean of its divisors is an integer number (3705736500).

Almost surely, 2^22231322013 is an apocalyptic number.

It is an amenable number.

22231322013 is a deficient number, since it is larger than the sum of its proper divisors (7414569987).

22231322013 is a wasteful number, since it uses less digits than its factorization.

22231322013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032331.

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

Adding to 22231322013 its reverse (31022313222), we get a palindrome (53253635235).

The spelling of 22231322013 in words is "twenty-two billion, two hundred thirty-one million, three hundred twenty-two thousand, thirteen".