22643346143 has 16 divisors (see below), whose sum is σ = 24810838272. Its totient is φ = 20494152000.

The previous prime is 22643346137. The next prime is 22643346149. The reversal of 22643346143 is 34164334622.

It is an interprime number because it is at equal distance from previous prime (22643346137) and next prime (22643346149).

It is a cyclic number.

It is not a de Polignac number, because 22643346143 - 2²⁸ = 22374910687 is a prime.

It is a super-2 number, since 2×22643346143² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22643346097 and 22643346106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22643346149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4853630 + ... + 4858292.

It is an arithmetic number, because the mean of its divisors is an integer number (1550677392).

Almost surely, 2^22643346143 is an apocalyptic number.

22643346143 is a deficient number, since it is larger than the sum of its proper divisors (2167492129).

22643346143 is a wasteful number, since it uses less digits than its factorization.

22643346143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6526.

The product of its digits is 248832, while the sum is 38.

The spelling of 22643346143 in words is "twenty-two billion, six hundred forty-three million, three hundred forty-six thousand, one hundred forty-three".