22408943 has 2 divisors, whose sum is σ = 22408944. Its totient is φ = 22408942.

The previous prime is 22408937. The next prime is 22408951. The reversal of 22408943 is 34980422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22408943 - 2¹⁶ = 22343407 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22408963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11204471 + 11204472.

It is an arithmetic number, because the mean of its divisors is an integer number (11204472).

Almost surely, 2^22408943 is an apocalyptic number.

22408943 is a deficient number, since it is larger than the sum of its proper divisors (1).

22408943 is an equidigital number, since it uses as much as digits as its factorization.

22408943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 22408943 is about 4733.8085090126. The cubic root of 22408943 is about 281.9294585726.

The spelling of 22408943 in words is "twenty-two million, four hundred eight thousand, nine hundred forty-three".