22304432013 has 4 divisors (see below), whose sum is σ = 29739242688. Its totient is φ = 14869621340.

The previous prime is 22304431979. The next prime is 22304432081. The reversal of 22304432013 is 31023440322.

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 22304432013 - 2²² = 22300237709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22304432083) 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, 3717405333 + ... + 3717405338.

It is an arithmetic number, because the mean of its divisors is an integer number (7434810672).

Almost surely, 2^22304432013 is an apocalyptic number.

It is an amenable number.

22304432013 is a deficient number, since it is larger than the sum of its proper divisors (7434810675).

22304432013 is an equidigital number, since it uses as much as digits as its factorization.

22304432013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7434810674.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 22304432013 its reverse (31023440322), we get a palindrome (53327872335).

The spelling of 22304432013 in words is "twenty-two billion, three hundred four million, four hundred thirty-two thousand, thirteen".