22029659 has 2 divisors, whose sum is σ = 22029660. Its totient is φ = 22029658.

The previous prime is 22029649. The next prime is 22029661. The reversal of 22029659 is 95692022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22029659 - 2¹⁶ = 21964123 is a prime.

Together with 22029661, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22029619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11014829 + 11014830.

It is an arithmetic number, because the mean of its divisors is an integer number (11014830).

Almost surely, 2^22029659 is an apocalyptic number.

22029659 is a deficient number, since it is larger than the sum of its proper divisors (1).

22029659 is an equidigital number, since it uses as much as digits as its factorization.

22029659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 22029659 is about 4693.5763549771. The cubic root of 22029659 is about 280.3297942269.

The spelling of 22029659 in words is "twenty-two million, twenty-nine thousand, six hundred fifty-nine".