22044413 has 2 divisors, whose sum is σ = 22044414. Its totient is φ = 22044412.

The previous prime is 22044409. The next prime is 22044433. The reversal of 22044413 is 31444022.

It is an a-pointer prime, because the next prime (22044433) can be obtained adding 22044413 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22024249 + 20164 = 4693^2 + 142^2 .

It is a cyclic number.

It is not a de Polignac number, because 22044413 - 2² = 22044409 is a prime.

It is a super-2 number, since 2×22044413² = 971912289029138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22044403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11022206 + 11022207.

It is an arithmetic number, because the mean of its divisors is an integer number (11022207).

Almost surely, 2^22044413 is an apocalyptic number.

It is an amenable number.

22044413 is a deficient number, since it is larger than the sum of its proper divisors (1).

22044413 is an equidigital number, since it uses as much as digits as its factorization.

22044413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 22044413 is about 4695.1478144996. The cubic root of 22044413 is about 280.3923623431.

Adding to 22044413 its reverse (31444022), we get a palindrome (53488435).

The spelling of 22044413 in words is "twenty-two million, forty-four thousand, four hundred thirteen".