16222211 has 2 divisors, whose sum is σ = 16222212. Its totient is φ = 16222210.

The previous prime is 16222127. The next prime is 16222259. The reversal of 16222211 is 11222261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16222211 - 2¹⁸ = 15960067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16222211.

It is not a weakly prime, because it can be changed into another prime (16224211) 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, 8111105 + 8111106.

It is an arithmetic number, because the mean of its divisors is an integer number (8111106).

Almost surely, 2^16222211 is an apocalyptic number.

16222211 is a deficient number, since it is larger than the sum of its proper divisors (1).

16222211 is an equidigital number, since it uses as much as digits as its factorization.

16222211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96, while the sum is 17.

The square root of 16222211 is about 4027.6805980614. The cubic root of 16222211 is about 253.1453855654.

Adding to 16222211 its reverse (11222261), we get a palindrome (27444472).

The spelling of 16222211 in words is "sixteen million, two hundred twenty-two thousand, two hundred eleven".