22462745 has 4 divisors (see below), whose sum is σ = 26955300. Its totient is φ = 17970192.

The previous prime is 22462723. The next prime is 22462753. The reversal of 22462745 is 54726422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7778521 + 14684224 = 2789^2 + 3832^2 .

It is a cyclic number.

It is not a de Polignac number, because 22462745 - 2¹⁸ = 22200601 is a prime.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2246270 + ... + 2246279.

It is an arithmetic number, because the mean of its divisors is an integer number (6738825).

Almost surely, 2^22462745 is an apocalyptic number.

It is an amenable number.

22462745 is a deficient number, since it is larger than the sum of its proper divisors (4492555).

22462745 is an equidigital number, since it uses as much as digits as its factorization.

22462745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4492554.

The product of its digits is 26880, while the sum is 32.

The square root of 22462745 is about 4739.4878415289. The cubic root of 22462745 is about 282.1549079325.

The spelling of 22462745 in words is "twenty-two million, four hundred sixty-two thousand, seven hundred forty-five".