22344232013 has 4 divisors (see below), whose sum is σ = 23658598620. Its totient is φ = 21029865408.

The previous prime is 22344232007. The next prime is 22344232019. The reversal of 22344232013 is 31023244322.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22344232007) and next prime (22344232019).

It can be written as a sum of positive squares in 2 ways, for example, as 17709754084 + 4634477929 = 133078^2 + 68077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22344232013 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 (22344232019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657183278 + ... + 657183311.

It is an arithmetic number, because the mean of its divisors is an integer number (5914649655).

Almost surely, 2^22344232013 is an apocalyptic number.

It is an amenable number.

22344232013 is a deficient number, since it is larger than the sum of its proper divisors (1314366607).

22344232013 is a wasteful number, since it uses less digits than its factorization.

22344232013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314366606.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 22344232013 its reverse (31023244322), we get a palindrome (53367476335).

The spelling of 22344232013 in words is "twenty-two billion, three hundred forty-four million, two hundred thirty-two thousand, thirteen".