22494686 has 4 divisors (see below), whose sum is σ = 33742032. Its totient is φ = 11247342.

The previous prime is 22494677. The next prime is 22494701. The reversal of 22494686 is 68649422.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5623670 + ... + 5623673.

It is an arithmetic number, because the mean of its divisors is an integer number (8435508).

Almost surely, 2^22494686 is an apocalyptic number.

22494686 is a deficient number, since it is larger than the sum of its proper divisors (11247346).

22494686 is a wasteful number, since it uses less digits than its factorization.

22494686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11247345.

The product of its digits is 165888, while the sum is 41.

The square root of 22494686 is about 4742.8563123924. The cubic root of 22494686 is about 282.2885817346.

The spelling of 22494686 in words is "twenty-two million, four hundred ninety-four thousand, six hundred eighty-six".