22143011112223 has 4 divisors (see below), whose sum is σ = 22284049399720. Its totient is φ = 22001972824728.

The previous prime is 22143011112199. The next prime is 22143011112239. The reversal of 22143011112223 is 32221111034122.

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-22143011112223 is a prime.

It is a super-2 number, since 2×22143011112223² (a number of 27 digits) contains 22 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 (22143611112223) 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, 70519143513 + ... + 70519143826.

It is an arithmetic number, because the mean of its divisors is an integer number (5571012349930).

Almost surely, 2^{22143011112223} is an apocalyptic number.

22143011112223 is a deficient number, since it is larger than the sum of its proper divisors (141038287497).

22143011112223 is a wasteful number, since it uses less digits than its factorization.

22143011112223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141038287496.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 22143011112223 its reverse (32221111034122), we get a palindrome (54364122146345).

The spelling of 22143011112223 in words is "twenty-two trillion, one hundred forty-three billion, eleven million, one hundred twelve thousand, two hundred twenty-three".