22844138 has 8 divisors (see below), whose sum is σ = 34287300. Its totient is φ = 11415040.

The previous prime is 22844123. The next prime is 22844147. The reversal of 22844138 is 83144822.

It can be written as a sum of positive squares in 2 ways, for example, as 19298449 + 3545689 = 4393^2 + 1883^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2858 + ... + 7338.

Almost surely, 2^22844138 is an apocalyptic number.

22844138 is a deficient number, since it is larger than the sum of its proper divisors (11443162).

22844138 is a wasteful number, since it uses less digits than its factorization.

22844138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7032.

The product of its digits is 12288, while the sum is 32.

The square root of 22844138 is about 4779.5541633085. The cubic root of 22844138 is about 283.7428489597.

The spelling of 22844138 in words is "twenty-two million, eight hundred forty-four thousand, one hundred thirty-eight".