22064597 has 2 divisors, whose sum is σ = 22064598. Its totient is φ = 22064596.

The previous prime is 22064587. The next prime is 22064639. The reversal of 22064597 is 79546022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18028516 + 4036081 = 4246^2 + 2009^2 .

It is a cyclic number.

It is not a de Polignac number, because 22064597 - 2¹⁸ = 21802453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22064587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11032298 + 11032299.

It is an arithmetic number, because the mean of its divisors is an integer number (11032299).

Almost surely, 2^22064597 is an apocalyptic number.

It is an amenable number.

22064597 is a deficient number, since it is larger than the sum of its proper divisors (1).

22064597 is an equidigital number, since it uses as much as digits as its factorization.

22064597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 22064597 is about 4697.2967758063. The cubic root of 22064597 is about 280.4779125616.

The spelling of 22064597 in words is "twenty-two million, sixty-four thousand, five hundred ninety-seven".