22304269 has 4 divisors (see below), whose sum is σ = 24019996. Its totient is φ = 20588544.

The previous prime is 22304267. The next prime is 22304297. The reversal of 22304269 is 96240322.

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 6200100 + 16104169 = 2490^2 + 4013^2 .

It is a cyclic number.

It is not a de Polignac number, because 22304269 - 2¹ = 22304267 is a prime.

It is a super-2 number, since 2×22304269² = 994960831248722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22304267) 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 3 ways as a sum of consecutive naturals, for example, 857844 + ... + 857869.

It is an arithmetic number, because the mean of its divisors is an integer number (6004999).

Almost surely, 2^22304269 is an apocalyptic number.

It is an amenable number.

22304269 is a deficient number, since it is larger than the sum of its proper divisors (1715727).

22304269 is a wasteful number, since it uses less digits than its factorization.

22304269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715726.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 22304269 is about 4722.7395651253. The cubic root of 22304269 is about 281.4898014723.

The spelling of 22304269 in words is "twenty-two million, three hundred four thousand, two hundred sixty-nine".