22142141887 has 2 divisors, whose sum is σ = 22142141888. Its totient is φ = 22142141886.

The previous prime is 22142141873. The next prime is 22142141899. The reversal of 22142141887 is 78814124122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22142141887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22142142887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071070943 + 11071070944.

It is an arithmetic number, because the mean of its divisors is an integer number (11071070944).

Almost surely, 2^22142141887 is an apocalyptic number.

22142141887 is a deficient number, since it is larger than the sum of its proper divisors (1).

22142141887 is an equidigital number, since it uses as much as digits as its factorization.

22142141887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57344, while the sum is 40.

The spelling of 22142141887 in words is "twenty-two billion, one hundred forty-two million, one hundred forty-one thousand, eight hundred eighty-seven".