16220419 has 2 divisors, whose sum is σ = 16220420. Its totient is φ = 16220418.

The previous prime is 16220411. The next prime is 16220423. The reversal of 16220419 is 91402261.

It is a strong prime.

It is an emirp because it is prime and its reverse (91402261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16220419 - 2³ = 16220411 is a prime.

It is a super-2 number, since 2×16220419² = 526203985071122, which contains 22 as substring.

It is equal to p_1044376 and since 16220419 and 1044376 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 16220393 and 16220402.

It is not a weakly prime, because it can be changed into another prime (16220411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8110209 + 8110210.

It is an arithmetic number, because the mean of its divisors is an integer number (8110210).

Almost surely, 2^16220419 is an apocalyptic number.

16220419 is a deficient number, since it is larger than the sum of its proper divisors (1).

16220419 is an equidigital number, since it uses as much as digits as its factorization.

16220419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 16220419 is about 4027.4581313777. The cubic root of 16220419 is about 253.1360639171.

The spelling of 16220419 in words is "sixteen million, two hundred twenty thousand, four hundred nineteen".