16227019 has 2 divisors, whose sum is σ = 16227020. Its totient is φ = 16227018.

The previous prime is 16227017. The next prime is 16227023. The reversal of 16227019 is 91072261.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16227019 - 2¹ = 16227017 is a prime.

It is a super-2 number, since 2×16227019² = 526632291252722, which contains 22 as substring.

Together with 16227017, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16227011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8113509 + 8113510.

It is an arithmetic number, because the mean of its divisors is an integer number (8113510).

Almost surely, 2^16227019 is an apocalyptic number.

16227019 is a deficient number, since it is larger than the sum of its proper divisors (1).

16227019 is an equidigital number, since it uses as much as digits as its factorization.

16227019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 16227019 is about 4028.2774234156. The cubic root of 16227019 is about 253.1703924893.

The spelling of 16227019 in words is "sixteen million, two hundred twenty-seven thousand, nineteen".