22223121313 has 4 divisors (see below), whose sum is σ = 22223673648. Its totient is φ = 22222568980.

The previous prime is 22223121281. The next prime is 22223121317. The reversal of 22223121313 is 31312132222.

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 22223121313 - 2⁵ = 22223121281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22223121317) 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, 210631 + ... + 298012.

It is an arithmetic number, because the mean of its divisors is an integer number (5555918412).

Almost surely, 2^22223121313 is an apocalyptic number.

It is an amenable number.

22223121313 is a deficient number, since it is larger than the sum of its proper divisors (552335).

22223121313 is an equidigital number, since it uses as much as digits as its factorization.

22223121313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552334.

The product of its digits is 864, while the sum is 22.

Adding to 22223121313 its reverse (31312132222), we get a palindrome (53535253535).

The spelling of 22223121313 in words is "twenty-two billion, two hundred twenty-three million, one hundred twenty-one thousand, three hundred thirteen".