22304043 has 48 divisors (see below), whose sum is σ = 36391680. Its totient is φ = 13096512.

The previous prime is 22304033. The next prime is 22304047. The reversal of 22304043 is 34040322.

It is not a de Polignac number, because 22304043 - 2⁴ = 22304027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22304047) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 208396 + ... + 208502.

It is an arithmetic number, because the mean of its divisors is an integer number (758160).

Almost surely, 2^22304043 is an apocalyptic number.

22304043 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22304043 is a deficient number, since it is larger than the sum of its proper divisors (14087637).

22304043 is a wasteful number, since it uses less digits than its factorization.

22304043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 22304043 is about 4722.7156382742. The cubic root of 22304043 is about 281.4888507289.

Adding to 22304043 its reverse (34040322), we get a palindrome (56344365).

The spelling of 22304043 in words is "twenty-two million, three hundred four thousand, forty-three".