22447443 has 8 divisors (see below), whose sum is σ = 29952000. Its totient is φ = 14953928.

The previous prime is 22447393. The next prime is 22447457. The reversal of 22447443 is 34474422.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22447443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22447443.

It is not an unprimeable number, because it can be changed into a prime (22447483) 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, 5638 + ... + 8756.

It is an arithmetic number, because the mean of its divisors is an integer number (3744000).

Almost surely, 2^22447443 is an apocalyptic number.

22447443 is a deficient number, since it is larger than the sum of its proper divisors (7504557).

22447443 is a wasteful number, since it uses less digits than its factorization.

22447443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5521.

The product of its digits is 21504, while the sum is 30.

The square root of 22447443 is about 4737.8732570638. The cubic root of 22447443 is about 282.0908238210.

The spelling of 22447443 in words is "twenty-two million, four hundred forty-seven thousand, four hundred forty-three".