22804249 has 4 divisors (see below), whose sum is σ = 24558436. Its totient is φ = 21050064.

The previous prime is 22804207. The next prime is 22804283. The reversal of 22804249 is 94240822.

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 14784025 + 8020224 = 3845^2 + 2832^2 .

It is a cyclic number.

It is not a de Polignac number, because 22804249 - 2¹¹ = 22802201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22804249.

It is not an unprimeable number, because it can be changed into a prime (22804289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 877074 + ... + 877099.

It is an arithmetic number, because the mean of its divisors is an integer number (6139609).

Almost surely, 2^22804249 is an apocalyptic number.

It is an amenable number.

22804249 is a deficient number, since it is larger than the sum of its proper divisors (1754187).

22804249 is a wasteful number, since it uses less digits than its factorization.

22804249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754186.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 22804249 is about 4775.3794613622. The cubic root of 22804249 is about 283.5776014227.

The spelling of 22804249 in words is "twenty-two million, eight hundred four thousand, two hundred forty-nine".