22744985 has 8 divisors (see below), whose sum is σ = 27383616. Its totient is φ = 18136240.

The previous prime is 22744951. The next prime is 22744991. The reversal of 22744985 is 58944722.

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

It is not a de Polignac number, because 22744985 - 2¹⁰ = 22743961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5759 + ... + 8868.

It is an arithmetic number, because the mean of its divisors is an integer number (3422952).

Almost surely, 2^22744985 is an apocalyptic number.

It is an amenable number.

22744985 is a deficient number, since it is larger than the sum of its proper divisors (4638631).

22744985 is a wasteful number, since it uses less digits than its factorization.

22744985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14943.

The product of its digits is 161280, while the sum is 41.

The square root of 22744985 is about 4769.1702632638. The cubic root of 22744985 is about 283.3317331705.

The spelling of 22744985 in words is "twenty-two million, seven hundred forty-four thousand, nine hundred eighty-five".