22752985 has 8 divisors (see below), whose sum is σ = 27336456. Its totient is φ = 18180480.

The previous prime is 22752971. The next prime is 22753001. The reversal of 22752985 is 58925722.

It can be written as a sum of positive squares in 4 ways, for example, as 4613904 + 18139081 = 2148^2 + 4259^2 .

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

It is not a de Polignac number, because 22752985 - 2⁷ = 22752857 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, 2877 + ... + 7333.

It is an arithmetic number, because the mean of its divisors is an integer number (3417057).

Almost surely, 2^22752985 is an apocalyptic number.

It is an amenable number.

22752985 is a deficient number, since it is larger than the sum of its proper divisors (4583471).

22752985 is a wasteful number, since it uses less digits than its factorization.

22752985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5483.

The product of its digits is 100800, while the sum is 40.

The square root of 22752985 is about 4770.0089098449. The cubic root of 22752985 is about 283.3649476450.

The spelling of 22752985 in words is "twenty-two million, seven hundred fifty-two thousand, nine hundred eighty-five".