22789423 has 4 divisors (see below), whose sum is σ = 22799520. Its totient is φ = 22779328.

The previous prime is 22789409. The next prime is 22789427. The reversal of 22789423 is 32498722.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22789423 - 2⁵ = 22789391 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 (22789427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63 + ... + 6751.

It is an arithmetic number, because the mean of its divisors is an integer number (5699880).

Almost surely, 2^22789423 is an apocalyptic number.

22789423 is a deficient number, since it is larger than the sum of its proper divisors (10097).

22789423 is an equidigital number, since it uses as much as digits as its factorization.

22789423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10096.

The product of its digits is 48384, while the sum is 37.

The square root of 22789423 is about 4773.8268715989. The cubic root of 22789423 is about 283.5161328636.

The spelling of 22789423 in words is "twenty-two million, seven hundred eighty-nine thousand, four hundred twenty-three".