22496143 has 4 divisors (see below), whose sum is σ = 22728160. Its totient is φ = 22264128.

The previous prime is 22496087. The next prime is 22496161. The reversal of 22496143 is 34169422.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22496143 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 (22496743) 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, 115863 + ... + 116056.

It is an arithmetic number, because the mean of its divisors is an integer number (5682040).

Almost surely, 2^22496143 is an apocalyptic number.

22496143 is a deficient number, since it is larger than the sum of its proper divisors (232017).

22496143 is an equidigital number, since it uses as much as digits as its factorization.

22496143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232016.

The product of its digits is 10368, while the sum is 31.

The square root of 22496143 is about 4743.0099093297. The cubic root of 22496143 is about 282.2946762937.

The spelling of 22496143 in words is "twenty-two million, four hundred ninety-six thousand, one hundred forty-three".