22999989 has 8 divisors (see below), whose sum is σ = 31169632. Its totient is φ = 15081840.

The previous prime is 22999979. The next prime is 22999993. The reversal of 22999989 is 98999922.

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

It is not a de Polignac number, because 22999989 - 2⁵ = 22999957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22999919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62659 + ... + 63024.

It is an arithmetic number, because the mean of its divisors is an integer number (3896204).

Almost surely, 2^22999989 is an apocalyptic number.

It is an amenable number.

22999989 is a deficient number, since it is larger than the sum of its proper divisors (8169643).

22999989 is a wasteful number, since it uses less digits than its factorization.

22999989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125747.

The product of its digits is 1889568, while the sum is 57.

The square root of 22999989 is about 4795.8303764833. The cubic root of 22999989 is about 284.3866526481.

The spelling of 22999989 in words is "twenty-two million, nine hundred ninety-nine thousand, nine hundred eighty-nine".