22963209 has 8 divisors (see below), whose sum is σ = 32418720. Its totient is φ = 14408256.

The previous prime is 22963169. The next prime is 22963279. The reversal of 22963209 is 90236922.

It is a happy number.

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

It is not a de Polignac number, because 22963209 - 2¹⁹ = 22438921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22963209.

It is not an unprimeable number, because it can be changed into a prime (22963279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225079 + ... + 225180.

It is an arithmetic number, because the mean of its divisors is an integer number (4052340).

Almost surely, 2^22963209 is an apocalyptic number.

It is an amenable number.

22963209 is a deficient number, since it is larger than the sum of its proper divisors (9455511).

22963209 is a wasteful number, since it uses less digits than its factorization.

22963209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450279.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 22963209 is about 4791.9942612653. The cubic root of 22963209 is about 284.2349812489.

The spelling of 22963209 in words is "twenty-two million, nine hundred sixty-three thousand, two hundred nine".