22981982999 has 2 divisors, whose sum is σ = 22981983000. Its totient is φ = 22981982998.

The previous prime is 22981982993. The next prime is 22981983023. The reversal of 22981982999 is 99928918922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22981982999 - 2¹⁶ = 22981917463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22981982993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11490991499 + 11490991500.

It is an arithmetic number, because the mean of its divisors is an integer number (11490991500).

Almost surely, 2^22981982999 is an apocalyptic number.

22981982999 is a deficient number, since it is larger than the sum of its proper divisors (1).

22981982999 is an equidigital number, since it uses as much as digits as its factorization.

22981982999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30233088, while the sum is 68.

The spelling of 22981982999 in words is "twenty-two billion, nine hundred eighty-one million, nine hundred eighty-two thousand, nine hundred ninety-nine".