22448989 has 8 divisors (see below), whose sum is σ = 23506560. Its totient is φ = 21398256.

The previous prime is 22448981. The next prime is 22449041. The reversal of 22448989 is 98984422.

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 22448989 - 2³ = 22448981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22448981) 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, 5752 + ... + 8830.

It is an arithmetic number, because the mean of its divisors is an integer number (2938320).

Almost surely, 2^22448989 is an apocalyptic number.

It is an amenable number.

22448989 is a deficient number, since it is larger than the sum of its proper divisors (1057571).

22448989 is a wasteful number, since it uses less digits than its factorization.

22448989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3419.

The product of its digits is 331776, while the sum is 46.

The square root of 22448989 is about 4738.0364076271. The cubic root of 22448989 is about 282.0972997242.

The spelling of 22448989 in words is "twenty-two million, four hundred forty-eight thousand, nine hundred eighty-nine".