22368937 has 2 divisors, whose sum is σ = 22368938. Its totient is φ = 22368936.

The previous prime is 22368917. The next prime is 22368943. The reversal of 22368937 is 73986322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16818201 + 5550736 = 4101^2 + 2356^2 .

It is a cyclic number.

It is not a de Polignac number, because 22368937 - 2¹¹ = 22366889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22368937.

It is not a weakly prime, because it can be changed into another prime (22368917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11184468 + 11184469.

It is an arithmetic number, because the mean of its divisors is an integer number (11184469).

Almost surely, 2^22368937 is an apocalyptic number.

It is an amenable number.

22368937 is a deficient number, since it is larger than the sum of its proper divisors (1).

22368937 is an equidigital number, since it uses as much as digits as its factorization.

22368937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 40.

The square root of 22368937 is about 4729.5810596711. The cubic root of 22368937 is about 281.7615852891.

The spelling of 22368937 in words is "twenty-two million, three hundred sixty-eight thousand, nine hundred thirty-seven".