22873791 has 4 divisors (see below), whose sum is σ = 30498392. Its totient is φ = 15249192.

The previous prime is 22873783. The next prime is 22873813. The reversal of 22873791 is 19737822.

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

It is not a de Polignac number, because 22873791 - 2³ = 22873783 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 (22873751) 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, 3812296 + ... + 3812301.

It is an arithmetic number, because the mean of its divisors is an integer number (7624598).

Almost surely, 2^22873791 is an apocalyptic number.

22873791 is a deficient number, since it is larger than the sum of its proper divisors (7624601).

22873791 is an equidigital number, since it uses as much as digits as its factorization.

22873791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7624600.

The product of its digits is 42336, while the sum is 39.

The square root of 22873791 is about 4782.6552248725. The cubic root of 22873791 is about 283.8655673683.

The spelling of 22873791 in words is "twenty-two million, eight hundred seventy-three thousand, seven hundred ninety-one".