22745285 has 16 divisors (see below), whose sum is σ = 27993600. Its totient is φ = 17736576.

The previous prime is 22745257. The next prime is 22745287. The reversal of 22745285 is 58254722.

It is a cyclic number.

It is not a de Polignac number, because 22745285 - 2¹⁸ = 22483141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22745287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34832 + ... + 35478.

It is an arithmetic number, because the mean of its divisors is an integer number (1749600).

Almost surely, 2^22745285 is an apocalyptic number.

It is an amenable number.

22745285 is a deficient number, since it is larger than the sum of its proper divisors (5248315).

22745285 is an equidigital number, since it uses as much as digits as its factorization.

22745285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820.

The product of its digits is 44800, while the sum is 35.

The square root of 22745285 is about 4769.2017151720. The cubic root of 22745285 is about 283.3329788538.

The spelling of 22745285 in words is "twenty-two million, seven hundred forty-five thousand, two hundred eighty-five".