22223659 has 2 divisors, whose sum is σ = 22223660. Its totient is φ = 22223658.

The previous prime is 22223651. The next prime is 22223687. The reversal of 22223659 is 95632222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22223659 - 2³ = 22223651 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 22223659.

It is not a weakly prime, because it can be changed into another prime (22223651) 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, 11111829 + 11111830.

It is an arithmetic number, because the mean of its divisors is an integer number (11111830).

Almost surely, 2^22223659 is an apocalyptic number.

22223659 is a deficient number, since it is larger than the sum of its proper divisors (1).

22223659 is an equidigital number, since it uses as much as digits as its factorization.

22223659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 22223659 is about 4714.1975987436. The cubic root of 22223659 is about 281.1502807632.

The spelling of 22223659 in words is "twenty-two million, two hundred twenty-three thousand, six hundred fifty-nine".