22494163 has 8 divisors (see below), whose sum is σ = 23025600. Its totient is φ = 21967848.

The previous prime is 22494151. The next prime is 22494181. The reversal of 22494163 is 36149422.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22494163 - 2¹⁷ = 22363091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22494103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8448 + ... + 10786.

It is an arithmetic number, because the mean of its divisors is an integer number (2878200).

Almost surely, 2^22494163 is an apocalyptic number.

22494163 is a deficient number, since it is larger than the sum of its proper divisors (531437).

22494163 is a wasteful number, since it uses less digits than its factorization.

22494163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561.

The product of its digits is 10368, while the sum is 31.

The square root of 22494163 is about 4742.8011765201. The cubic root of 22494163 is about 282.2863939872.

The spelling of 22494163 in words is "twenty-two million, four hundred ninety-four thousand, one hundred sixty-three".