22294913 has 2 divisors, whose sum is σ = 22294914. Its totient is φ = 22294912.

The previous prime is 22294907. The next prime is 22294931. The reversal of 22294913 is 31949222.

Together with next prime (22294931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13126129 + 9168784 = 3623^2 + 3028^2 .

It is a cyclic number.

It is not a de Polignac number, because 22294913 - 2⁶ = 22294849 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22294913.

It is not a weakly prime, because it can be changed into another prime (22294933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11147456 + 11147457.

It is an arithmetic number, because the mean of its divisors is an integer number (11147457).

Almost surely, 2^22294913 is an apocalyptic number.

It is an amenable number.

22294913 is a deficient number, since it is larger than the sum of its proper divisors (1).

22294913 is an equidigital number, since it uses as much as digits as its factorization.

22294913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

The square root of 22294913 is about 4721.7489344521. The cubic root of 22294913 is about 281.4504370064.

The spelling of 22294913 in words is "twenty-two million, two hundred ninety-four thousand, nine hundred thirteen".