22916249 has 8 divisors (see below), whose sum is σ = 23418720. Its totient is φ = 22417696.

The previous prime is 22916237. The next prime is 22916251. The reversal of 22916249 is 94261922.

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 22916249 - 2²⁰ = 21867673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22916279) 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, 12914 + ... + 14580.

It is an arithmetic number, because the mean of its divisors is an integer number (2927340).

Almost surely, 2^22916249 is an apocalyptic number.

It is an amenable number.

22916249 is a deficient number, since it is larger than the sum of its proper divisors (502471).

22916249 is a wasteful number, since it uses less digits than its factorization.

22916249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959.

The product of its digits is 15552, while the sum is 35.

The square root of 22916249 is about 4787.0919147223. The cubic root of 22916249 is about 284.0410945295.

The spelling of 22916249 in words is "twenty-two million, nine hundred sixteen thousand, two hundred forty-nine".