22097659 has 2 divisors, whose sum is σ = 22097660. Its totient is φ = 22097658.

The previous prime is 22097653. The next prime is 22097693. The reversal of 22097659 is 95679022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22097659 - 2¹⁹ = 21573371 is a prime.

It is not a weakly prime, because it can be changed into another prime (22097653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11048829 + 11048830.

It is an arithmetic number, because the mean of its divisors is an integer number (11048830).

Almost surely, 2^22097659 is an apocalyptic number.

22097659 is a deficient number, since it is larger than the sum of its proper divisors (1).

22097659 is an equidigital number, since it uses as much as digits as its factorization.

22097659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 22097659 is about 4700.8147166209. The cubic root of 22097659 is about 280.6179337444.

It can be divided in two parts, 220 and 97659, that added together give a palindrome (97879).

The spelling of 22097659 in words is "twenty-two million, ninety-seven thousand, six hundred fifty-nine".