22949889 has 8 divisors (see below), whose sum is σ = 31587072. Its totient is φ = 14806320.

The previous prime is 22949863. The next prime is 22949893. The reversal of 22949889 is 98894922.

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

It is not a de Polignac number, because 22949889 - 2¹⁵ = 22917121 is a prime.

It is a super-2 number, since 2×22949889² = 1053394810224642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22949819) 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, 123294 + ... + 123479.

It is an arithmetic number, because the mean of its divisors is an integer number (3948384).

Almost surely, 2^22949889 is an apocalyptic number.

It is an amenable number.

22949889 is a deficient number, since it is larger than the sum of its proper divisors (8637183).

22949889 is a wasteful number, since it uses less digits than its factorization.

22949889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246807.

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

The square root of 22949889 is about 4790.6042416380. The cubic root of 22949889 is about 284.1800129992.

The spelling of 22949889 in words is "twenty-two million, nine hundred forty-nine thousand, eight hundred eighty-nine".