22068659 has 2 divisors, whose sum is σ = 22068660. Its totient is φ = 22068658.

The previous prime is 22068649. The next prime is 22068667. The reversal of 22068659 is 95686022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22068659 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (22068649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11034329 + 11034330.

It is an arithmetic number, because the mean of its divisors is an integer number (11034330).

Almost surely, 2^22068659 is an apocalyptic number.

22068659 is a deficient number, since it is larger than the sum of its proper divisors (1).

22068659 is an equidigital number, since it uses as much as digits as its factorization.

22068659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 22068659 is about 4697.7291322510. The cubic root of 22068659 is about 280.4951231090.

The spelling of 22068659 in words is "twenty-two million, sixty-eight thousand, six hundred fifty-nine".