22438347 has 8 divisors (see below), whose sum is σ = 29946000. Its totient is φ = 14944800.

The previous prime is 22438337. The next prime is 22438379. The reversal of 22438347 is 74383422.

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

It is not a de Polignac number, because 22438347 - 2⁷ = 22438219 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (22438307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029 + ... + 6777.

It is an arithmetic number, because the mean of its divisors is an integer number (3743250).

Almost surely, 2^22438347 is an apocalyptic number.

22438347 is a deficient number, since it is larger than the sum of its proper divisors (7507653).

22438347 is a wasteful number, since it uses less digits than its factorization.

22438347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7053.

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

The square root of 22438347 is about 4736.9132354309. The cubic root of 22438347 is about 282.0527163657.

The spelling of 22438347 in words is "twenty-two million, four hundred thirty-eight thousand, three hundred forty-seven".