22212332013 has 4 divisors (see below), whose sum is σ = 29616442688. Its totient is φ = 14808221340.

The previous prime is 22212332003. The next prime is 22212332053. The reversal of 22212332013 is 31023321222.

It is a happy number.

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 not a de Polignac number, because 22212332013 - 2²¹ = 22210234861 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 (22212332003) 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, 3702055333 + ... + 3702055338.

It is an arithmetic number, because the mean of its divisors is an integer number (7404110672).

Almost surely, 2^22212332013 is an apocalyptic number.

It is an amenable number.

22212332013 is a deficient number, since it is larger than the sum of its proper divisors (7404110675).

22212332013 is an equidigital number, since it uses as much as digits as its factorization.

22212332013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7404110674.

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

Adding to 22212332013 its reverse (31023321222), we get a palindrome (53235653235).

The spelling of 22212332013 in words is "twenty-two billion, two hundred twelve million, three hundred thirty-two thousand, thirteen".