22016912399 has 2 divisors, whose sum is σ = 22016912400. Its totient is φ = 22016912398.

The previous prime is 22016912377. The next prime is 22016912443. The reversal of 22016912399 is 99321961022.

It is a happy number.

It is an a-pointer prime, because the next prime (22016912443) can be obtained adding 22016912399 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22016912399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22016912299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11008456199 + 11008456200.

It is an arithmetic number, because the mean of its divisors is an integer number (11008456200).

Almost surely, 2^22016912399 is an apocalyptic number.

22016912399 is a deficient number, since it is larger than the sum of its proper divisors (1).

22016912399 is an equidigital number, since it uses as much as digits as its factorization.

22016912399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 44.

The spelling of 22016912399 in words is "twenty-two billion, sixteen million, nine hundred twelve thousand, three hundred ninety-nine".