22244413 has 2 divisors, whose sum is σ = 22244414. Its totient is φ = 22244412.

The previous prime is 22244401. The next prime is 22244429. The reversal of 22244413 is 31444222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16305444 + 5938969 = 4038^2 + 2437^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22244413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22244713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11122206 + 11122207.

It is an arithmetic number, because the mean of its divisors is an integer number (11122207).

Almost surely, 2^22244413 is an apocalyptic number.

It is an amenable number.

22244413 is a deficient number, since it is larger than the sum of its proper divisors (1).

22244413 is an equidigital number, since it uses as much as digits as its factorization.

22244413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 22.

The square root of 22244413 is about 4716.3983080312. The cubic root of 22244413 is about 281.2377727688.

Adding to 22244413 its reverse (31444222), we get a palindrome (53688635).

The spelling of 22244413 in words is "twenty-two million, two hundred forty-four thousand, four hundred thirteen".