22999389 has 8 divisors (see below), whose sum is σ = 35046720. Its totient is φ = 13142496.

The previous prime is 22999373. The next prime is 22999391. The reversal of 22999389 is 98399922.

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

It is not a de Polignac number, because 22999389 - 2⁴ = 22999373 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22999369) 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, 547584 + ... + 547625.

It is an arithmetic number, because the mean of its divisors is an integer number (4380840).

Almost surely, 2^22999389 is an apocalyptic number.

It is an amenable number.

22999389 is a deficient number, since it is larger than the sum of its proper divisors (12047331).

22999389 is a wasteful number, since it uses less digits than its factorization.

22999389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095219.

The product of its digits is 629856, while the sum is 51.

The square root of 22999389 is about 4795.7678217362. The cubic root of 22999389 is about 284.3841796980.

The spelling of 22999389 in words is "twenty-two million, nine hundred ninety-nine thousand, three hundred eighty-nine".