22044224413 has 4 divisors (see below), whose sum is σ = 22640014300. Its totient is φ = 21448434528.

The previous prime is 22044224399. The next prime is 22044224429. The reversal of 22044224413 is 31442244022.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18965972089 + 3078252324 = 137717^2 + 55482^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22044224413 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 (22044224113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297894888 + ... + 297894961.

It is an arithmetic number, because the mean of its divisors is an integer number (5660003575).

Almost surely, 2^22044224413 is an apocalyptic number.

It is an amenable number.

22044224413 is a deficient number, since it is larger than the sum of its proper divisors (595789887).

22044224413 is an equidigital number, since it uses as much as digits as its factorization.

22044224413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595789886.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 22044224413 its reverse (31442244022), we get a palindrome (53486468435).

The spelling of 22044224413 in words is "twenty-two billion, forty-four million, two hundred twenty-four thousand, four hundred thirteen".