22426985 has 8 divisors (see below), whose sum is σ = 30757056. Its totient is φ = 15378480.

The previous prime is 22426969. The next prime is 22426991. The reversal of 22426985 is 58962422.

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

It is not a de Polignac number, because 22426985 - 2⁴ = 22426969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 320351 + ... + 320420.

It is an arithmetic number, because the mean of its divisors is an integer number (3844632).

Almost surely, 2^22426985 is an apocalyptic number.

It is an amenable number.

22426985 is a deficient number, since it is larger than the sum of its proper divisors (8330071).

22426985 is an equidigital number, since it uses as much as digits as its factorization.

22426985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640783.

The product of its digits is 69120, while the sum is 38.

The square root of 22426985 is about 4735.7137793579. The cubic root of 22426985 is about 282.0051010931.

The spelling of 22426985 in words is "twenty-two million, four hundred twenty-six thousand, nine hundred eighty-five".