22338447 has 4 divisors (see below), whose sum is σ = 29784600. Its totient is φ = 14892296.

The previous prime is 22338427. The next prime is 22338461. The reversal of 22338447 is 74483322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22338447 - 2⁸ = 22338191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22338427) 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, 3723072 + ... + 3723077.

It is an arithmetic number, because the mean of its divisors is an integer number (7446150).

Almost surely, 2^22338447 is an apocalyptic number.

22338447 is a deficient number, since it is larger than the sum of its proper divisors (7446153).

22338447 is an equidigital number, since it uses as much as digits as its factorization.

22338447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7446152.

The product of its digits is 32256, while the sum is 33.

The square root of 22338447 is about 4726.3566306406. The cubic root of 22338447 is about 281.6335086177.

The spelling of 22338447 in words is "twenty-two million, three hundred thirty-eight thousand, four hundred forty-seven".