22056659 has 8 divisors (see below), whose sum is σ = 22438080. Its totient is φ = 21678696.

The previous prime is 22056653. The next prime is 22056673. The reversal of 22056659 is 95665022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22056659 - 2²⁰ = 21008083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22056653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14132 + ... + 15614.

It is an arithmetic number, because the mean of its divisors is an integer number (2804760).

Almost surely, 2^22056659 is an apocalyptic number.

22056659 is a deficient number, since it is larger than the sum of its proper divisors (381421).

22056659 is a wasteful number, since it uses less digits than its factorization.

22056659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 22056659 is about 4696.4517457332. The cubic root of 22056659 is about 280.4442734440. Note that the first 3 decimals are identical.

The spelling of 22056659 in words is "twenty-two million, fifty-six thousand, six hundred fifty-nine".