22958309 has 8 divisors (see below), whose sum is σ = 25105728. Its totient is φ = 20820960.

The previous prime is 22958303. The next prime is 22958317. The reversal of 22958309 is 90385922.

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 22958309 - 2²⁰ = 21909733 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 (22958303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2744 + ... + 7310.

It is an arithmetic number, because the mean of its divisors is an integer number (3138216).

Almost surely, 2^22958309 is an apocalyptic number.

It is an amenable number.

22958309 is a deficient number, since it is larger than the sum of its proper divisors (2147419).

22958309 is a wasteful number, since it uses less digits than its factorization.

22958309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5035.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 22958309 is about 4791.4829645946. The cubic root of 22958309 is about 284.2147626682.

The spelling of 22958309 in words is "twenty-two million, nine hundred fifty-eight thousand, three hundred nine".