22377913 has 2 divisors, whose sum is σ = 22377914. Its totient is φ = 22377912.

The previous prime is 22377907. The next prime is 22377947. The reversal of 22377913 is 31977322.

It is an a-pointer prime, because the next prime (22377947) can be obtained adding 22377913 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17413929 + 4963984 = 4173^2 + 2228^2 .

It is a cyclic number.

It is not a de Polignac number, because 22377913 - 2²¹ = 20280761 is a prime.

It is not a weakly prime, because it can be changed into another prime (22377013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11188956 + 11188957.

It is an arithmetic number, because the mean of its divisors is an integer number (11188957).

Almost surely, 2^22377913 is an apocalyptic number.

It is an amenable number.

22377913 is a deficient number, since it is larger than the sum of its proper divisors (1).

22377913 is an equidigital number, since it uses as much as digits as its factorization.

22377913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 34.

The square root of 22377913 is about 4730.5298857528. The cubic root of 22377913 is about 281.7992678096.

The spelling of 22377913 in words is "twenty-two million, three hundred seventy-seven thousand, nine hundred thirteen".