16552219 has 2 divisors, whose sum is σ = 16552220. Its totient is φ = 16552218.

The previous prime is 16552213. The next prime is 16552229. The reversal of 16552219 is 91225561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16552219 - 2⁷ = 16552091 is a prime.

It is a super-2 number, since 2×16552219² = 547951907647922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16552213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8276109 + 8276110.

It is an arithmetic number, because the mean of its divisors is an integer number (8276110).

Almost surely, 2^16552219 is an apocalyptic number.

16552219 is a deficient number, since it is larger than the sum of its proper divisors (1).

16552219 is an equidigital number, since it uses as much as digits as its factorization.

16552219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 31.

The square root of 16552219 is about 4068.4418393287. The cubic root of 16552219 is about 254.8504518487.

The spelling of 16552219 in words is "sixteen million, five hundred fifty-two thousand, two hundred nineteen".