22745853 has 20 divisors (see below), whose sum is σ = 36593788. Its totient is φ = 13996800.

The previous prime is 22745837. The next prime is 22745903. The reversal of 22745853 is 35854722.

22745853 is a `hidden beast` number, since 2 + 2 + 74 + 585 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12131289 + 10614564 = 3483^2 + 3258^2 .

It is not a de Polignac number, because 22745853 - 2⁴ = 22745837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22745803) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9748 + ... + 11853.

Almost surely, 2^22745853 is an apocalyptic number.

It is an amenable number.

22745853 is a deficient number, since it is larger than the sum of its proper divisors (13847935).

22745853 is a wasteful number, since it uses less digits than its factorization.

22745853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21626 (or 21617 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 22745853 is about 4769.2612635502. The cubic root of 22745853 is about 283.3353373176.

The spelling of 22745853 in words is "twenty-two million, seven hundred forty-five thousand, eight hundred fifty-three".