22544798 has 4 divisors (see below), whose sum is σ = 33817200. Its totient is φ = 11272398.

The previous prime is 22544791. The next prime is 22544801. The reversal of 22544798 is 89744522.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22544791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5636198 + ... + 5636201.

It is an arithmetic number, because the mean of its divisors is an integer number (8454300).

Almost surely, 2^22544798 is an apocalyptic number.

22544798 is a deficient number, since it is larger than the sum of its proper divisors (11272402).

22544798 is a wasteful number, since it uses less digits than its factorization.

22544798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11272401.

The product of its digits is 161280, while the sum is 41.

The square root of 22544798 is about 4748.1362659469. The cubic root of 22544798 is about 282.4980468187.

The spelling of 22544798 in words is "twenty-two million, five hundred forty-four thousand, seven hundred ninety-eight".