22269859 has 4 divisors (see below), whose sum is σ = 22279320. Its totient is φ = 22260400.

The previous prime is 22269857. The next prime is 22269887. The reversal of 22269859 is 95896222.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22269859 - 2¹ = 22269857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22269851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1884 + ... + 6934.

It is an arithmetic number, because the mean of its divisors is an integer number (5569830).

Almost surely, 2^22269859 is an apocalyptic number.

22269859 is a deficient number, since it is larger than the sum of its proper divisors (9461).

22269859 is an equidigital number, since it uses as much as digits as its factorization.

22269859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9460.

The product of its digits is 155520, while the sum is 43.

The square root of 22269859 is about 4719.0951463178. The cubic root of 22269859 is about 281.3449704624.

The spelling of 22269859 in words is "twenty-two million, two hundred sixty-nine thousand, eight hundred fifty-nine".