22113143 has 12 divisors (see below), whose sum is σ = 24990480. Its totient is φ = 19521216.

The previous prime is 22113121. The next prime is 22113151. The reversal of 22113143 is 34131122.

It is not a de Polignac number, because 22113143 - 2⁸ = 22112887 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 (22113103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1043 + ... + 6731.

It is an arithmetic number, because the mean of its divisors is an integer number (2082540).

Almost surely, 2^22113143 is an apocalyptic number.

22113143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22113143 is a deficient number, since it is larger than the sum of its proper divisors (2877337).

22113143 is a wasteful number, since it uses less digits than its factorization.

22113143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5738 (or 5725 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 22113143 is about 4702.4613767686. The cubic root of 22113143 is about 280.6834621578.

Adding to 22113143 its reverse (34131122), we get a palindrome (56244265).

The spelling of 22113143 in words is "twenty-two million, one hundred thirteen thousand, one hundred forty-three".