16022399 has 2 divisors, whose sum is σ = 16022400. Its totient is φ = 16022398.

The previous prime is 16022393. The next prime is 16022401. The reversal of 16022399 is 99322061.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16022399 is a prime.

Together with 16022401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16022393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8011199 + 8011200.

It is an arithmetic number, because the mean of its divisors is an integer number (8011200).

Almost surely, 2^16022399 is an apocalyptic number.

16022399 is a deficient number, since it is larger than the sum of its proper divisors (1).

16022399 is an equidigital number, since it uses as much as digits as its factorization.

16022399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 16022399 is about 4002.7988957728. The cubic root of 16022399 is about 252.1017425316.

The spelling of 16022399 in words is "sixteen million, twenty-two thousand, three hundred ninety-nine".