22934309 has 4 divisors (see below), whose sum is σ = 24283404. Its totient is φ = 21585216.

The previous prime is 22934297. The next prime is 22934347. The reversal of 22934309 is 90343922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21252100 + 1682209 = 4610^2 + 1297^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22934309 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 (22934399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674522 + ... + 674555.

It is an arithmetic number, because the mean of its divisors is an integer number (6070851).

Almost surely, 2^22934309 is an apocalyptic number.

It is an amenable number.

22934309 is a deficient number, since it is larger than the sum of its proper divisors (1349095).

22934309 is a wasteful number, since it uses less digits than its factorization.

22934309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349094.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 22934309 is about 4788.9778658916. The cubic root of 22934309 is about 284.1156913099.

The spelling of 22934309 in words is "twenty-two million, nine hundred thirty-four thousand, three hundred nine".