22143433187 has 2 divisors, whose sum is σ = 22143433188. Its totient is φ = 22143433186.

The previous prime is 22143433183. The next prime is 22143433243. The reversal of 22143433187 is 78133434122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22143433187 - 2² = 22143433183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22143433187.

It is not a weakly prime, because it can be changed into another prime (22143433183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071716593 + 11071716594.

It is an arithmetic number, because the mean of its divisors is an integer number (11071716594).

Almost surely, 2^22143433187 is an apocalyptic number.

22143433187 is a deficient number, since it is larger than the sum of its proper divisors (1).

22143433187 is an equidigital number, since it uses as much as digits as its factorization.

22143433187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 38.

The spelling of 22143433187 in words is "twenty-two billion, one hundred forty-three million, four hundred thirty-three thousand, one hundred eighty-seven".