22489899 has 8 divisors (see below), whose sum is σ = 30085440. Its totient is φ = 14943816.

The previous prime is 22489871. The next prime is 22489921. The reversal of 22489899 is 99898422.

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

It is not a de Polignac number, because 22489899 - 2²⁰ = 21441323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22489199) 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, 11289 + ... + 13130.

It is an arithmetic number, because the mean of its divisors is an integer number (3760680).

Almost surely, 2^22489899 is an apocalyptic number.

22489899 is a deficient number, since it is larger than the sum of its proper divisors (7595541).

22489899 is a wasteful number, since it uses less digits than its factorization.

22489899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24729.

The product of its digits is 746496, while the sum is 51.

The square root of 22489899 is about 4742.3516318384. The cubic root of 22489899 is about 282.2685560967.

The spelling of 22489899 in words is "twenty-two million, four hundred eighty-nine thousand, eight hundred ninety-nine".