22753143 has 20 divisors (see below), whose sum is σ = 38845840. Its totient is φ = 13001472.

The previous prime is 22753121. The next prime is 22753147. The reversal of 22753143 is 34135722.

It is not a de Polignac number, because 22753143 - 2⁵ = 22753111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22753147) 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 19 ways as a sum of consecutive naturals, for example, 19498 + ... + 20631.

It is an arithmetic number, because the mean of its divisors is an integer number (1942292).

Almost surely, 2^22753143 is an apocalyptic number.

22753143 is a deficient number, since it is larger than the sum of its proper divisors (16092697).

22753143 is an equidigital number, since it uses as much as digits as its factorization.

22753143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40148 (or 40139 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 22753143 is about 4770.0254716301. The cubic root of 22753143 is about 283.3656035524.

Adding to 22753143 its reverse (34135722), we get a palindrome (56888865).

The spelling of 22753143 in words is "twenty-two million, seven hundred fifty-three thousand, one hundred forty-three".