22442113 has 2 divisors, whose sum is σ = 22442114. Its totient is φ = 22442112.

The previous prime is 22442111. The next prime is 22442117. The reversal of 22442113 is 31124422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15000129 + 7441984 = 3873^2 + 2728^2 .

It is a cyclic number.

It is not a de Polignac number, because 22442113 - 2¹ = 22442111 is a prime.

Together with 22442111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22442111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11221056 + 11221057.

It is an arithmetic number, because the mean of its divisors is an integer number (11221057).

Almost surely, 2^22442113 is an apocalyptic number.

It is an amenable number.

22442113 is a deficient number, since it is larger than the sum of its proper divisors (1).

22442113 is an equidigital number, since it uses as much as digits as its factorization.

22442113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 19.

The square root of 22442113 is about 4737.3107350057. The cubic root of 22442113 is about 282.0684951738.

Adding to 22442113 its reverse (31124422), we get a palindrome (53566535).

The spelling of 22442113 in words is "twenty-two million, four hundred forty-two thousand, one hundred thirteen".