22408743 has 8 divisors (see below), whose sum is σ = 34146688. Its totient is φ = 12804984.

The previous prime is 22408709. The next prime is 22408747. The reversal of 22408743 is 34780422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22408743 - 2⁸ = 22408487 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 22408743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22408747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533521 + ... + 533562.

It is an arithmetic number, because the mean of its divisors is an integer number (4268336).

Almost surely, 2^22408743 is an apocalyptic number.

22408743 is a deficient number, since it is larger than the sum of its proper divisors (11737945).

22408743 is a wasteful number, since it uses less digits than its factorization.

22408743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067093.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 22408743 is about 4733.7873843256. The cubic root of 22408743 is about 281.9286198292.

The spelling of 22408743 in words is "twenty-two million, four hundred eight thousand, seven hundred forty-three".