22994309 has 12 divisors (see below), whose sum is σ = 25034400. Its totient is φ = 21110544.

The previous prime is 22994297. The next prime is 22994311. The reversal of 22994309 is 90349922.

It is not a de Polignac number, because 22994309 - 2⁸ = 22994053 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 (22994329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60482 + ... + 60860.

It is an arithmetic number, because the mean of its divisors is an integer number (2086200).

Almost surely, 2^22994309 is an apocalyptic number.

It is an amenable number.

22994309 is a deficient number, since it is larger than the sum of its proper divisors (2040091).

22994309 is a wasteful number, since it uses less digits than its factorization.

22994309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764 (or 751 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 22994309 is about 4795.2381588405. The cubic root of 22994309 is about 284.3632403300.

The spelling of 22994309 in words is "twenty-two million, nine hundred ninety-four thousand, three hundred nine".