22648718 has 4 divisors (see below), whose sum is σ = 33973080. Its totient is φ = 11324358.

The previous prime is 22648679. The next prime is 22648727. The reversal of 22648718 is 81784622.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5662178 + ... + 5662181.

It is an arithmetic number, because the mean of its divisors is an integer number (8493270).

Almost surely, 2^22648718 is an apocalyptic number.

22648718 is a deficient number, since it is larger than the sum of its proper divisors (11324362).

22648718 is a wasteful number, since it uses less digits than its factorization.

22648718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11324361.

The product of its digits is 43008, while the sum is 38.

The square root of 22648718 is about 4759.0669253542. The cubic root of 22648718 is about 282.9314388138.

The spelling of 22648718 in words is "twenty-two million, six hundred forty-eight thousand, seven hundred eighteen".