22112143 has 8 divisors (see below), whose sum is σ = 23504000. Its totient is φ = 20743128.

The previous prime is 22112141. The next prime is 22112147. The reversal of 22112143 is 34121122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22112143 - 2¹ = 22112141 is a prime.

It is a super-3 number, since 3×22112143³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3693 + ... + 7606.

It is an arithmetic number, because the mean of its divisors is an integer number (2938000).

Almost surely, 2^22112143 is an apocalyptic number.

22112143 is a deficient number, since it is larger than the sum of its proper divisors (1391857).

22112143 is a wasteful number, since it uses less digits than its factorization.

22112143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11421.

The product of its digits is 96, while the sum is 16.

The square root of 22112143 is about 4702.3550482710. The cubic root of 22112143 is about 280.6792310738.

Adding to 22112143 its reverse (34121122), we get a palindrome (56233265).

The spelling of 22112143 in words is "twenty-two million, one hundred twelve thousand, one hundred forty-three".