22926143 has 4 divisors (see below), whose sum is σ = 23665728. Its totient is φ = 22186560.

The previous prime is 22926139. The next prime is 22926151. The reversal of 22926143 is 34162922.

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

It is a cyclic number.

It is not a de Polignac number, because 22926143 - 2² = 22926139 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 (22926173) 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, 369746 + ... + 369807.

It is an arithmetic number, because the mean of its divisors is an integer number (5916432).

Almost surely, 2^22926143 is an apocalyptic number.

22926143 is a deficient number, since it is larger than the sum of its proper divisors (739585).

22926143 is an equidigital number, since it uses as much as digits as its factorization.

22926143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739584.

The product of its digits is 5184, while the sum is 29.

The square root of 22926143 is about 4788.1252072184. The cubic root of 22926143 is about 284.0819665215.

The spelling of 22926143 in words is "twenty-two million, nine hundred twenty-six thousand, one hundred forty-three".