22212231213 has 8 divisors (see below), whose sum is σ = 30058343008. Its totient is φ = 14587136784.

The previous prime is 22212231193. The next prime is 22212231241. The reversal of 22212231213 is 31213221222.

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

It is not a de Polignac number, because 22212231213 - 2¹⁸ = 22211969069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22212231213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212231113) 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, 55254106 + ... + 55254507.

It is an arithmetic number, because the mean of its divisors is an integer number (3757292876).

Almost surely, 2^22212231213 is an apocalyptic number.

It is an amenable number.

22212231213 is a deficient number, since it is larger than the sum of its proper divisors (7846111795).

22212231213 is a wasteful number, since it uses less digits than its factorization.

22212231213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110508683.

The product of its digits is 576, while the sum is 21.

Adding to 22212231213 its reverse (31213221222), we get a palindrome (53425452435).

Subtracting 22212231213 from its reverse (31213221222), we obtain a palindrome (9000990009).

The spelling of 22212231213 in words is "twenty-two billion, two hundred twelve million, two hundred thirty-one thousand, two hundred thirteen".