24220143 has 6 divisors (see below), whose sum is σ = 34984664. Its totient is φ = 16146756.

The previous prime is 24220123. The next prime is 24220169. The reversal of 24220143 is 34102242.

It is not a de Polignac number, because 24220143 - 2⁹ = 24219631 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 (24220123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1345555 + ... + 1345572.

Almost surely, 2^24220143 is an apocalyptic number.

24220143 is a deficient number, since it is larger than the sum of its proper divisors (10764521).

24220143 is a wasteful number, since it uses less digits than its factorization.

24220143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691133 (or 2691130 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 24220143 is about 4921.3964481639. The cubic root of 24220143 is about 289.3291787589.

Adding to 24220143 its reverse (34102242), we get a palindrome (58322385).

The spelling of 24220143 in words is "twenty-four million, two hundred twenty thousand, one hundred forty-three".