222313213321 has 4 divisors (see below), whose sum is σ = 222315975952. Its totient is φ = 222310450692.

The previous prime is 222313213301. The next prime is 222313213357. The reversal of 222313213321 is 123312313222.

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 222313213321 - 2⁵ = 222313213289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222313213301) 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, 1256871 + ... + 1422796.

It is an arithmetic number, because the mean of its divisors is an integer number (55578993988).

Almost surely, 2^222313213321 is an apocalyptic number.

It is an amenable number.

222313213321 is a deficient number, since it is larger than the sum of its proper divisors (2762631).

222313213321 is an equidigital number, since it uses as much as digits as its factorization.

222313213321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762630.

The product of its digits is 2592, while the sum is 25.

Adding to 222313213321 its reverse (123312313222), we get a palindrome (345625526543).

Subtracting from 222313213321 its reverse (123312313222), we obtain a palindrome (99000900099).

The spelling of 222313213321 in words is "two hundred twenty-two billion, three hundred thirteen million, two hundred thirteen thousand, three hundred twenty-one".