22000000013 has 4 divisors (see below), whose sum is σ = 22017148608. Its totient is φ = 21982851420.

The previous prime is 22000000007. The next prime is 22000000021. The reversal of 22000000013 is 31000000022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22000000013 - 2¹⁰ = 21999998989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000008013) 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, 8572373 + ... + 8574938.

It is an arithmetic number, because the mean of its divisors is an integer number (5504287152).

Almost surely, 2^22000000013 is an apocalyptic number.

It is an amenable number.

22000000013 is a deficient number, since it is larger than the sum of its proper divisors (17148595).

22000000013 is a wasteful number, since it uses less digits than its factorization.

22000000013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17148594.

The product of its (nonzero) digits is 12, while the sum is 8.

Adding to 22000000013 its reverse (31000000022), we get a palindrome (53000000035).

Subtracting 22000000013 from its reverse (31000000022), we obtain a palindrome (9000000009).

The spelling of 22000000013 in words is "twenty-two billion, thirteen", and thus it is an aban number and an uban number.