16222213 has 8 divisors (see below), whose sum is σ = 18652032. Its totient is φ = 13820496.

The previous prime is 16222211. The next prime is 16222259. The reversal of 16222213 is 31222261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16222213 - 2¹ = 16222211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16222211) 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 in 7 ways as a sum of consecutive naturals, for example, 5770 + ... + 8107.

It is an arithmetic number, because the mean of its divisors is an integer number (2331504).

Almost surely, 2^16222213 is an apocalyptic number.

It is an amenable number.

16222213 is a deficient number, since it is larger than the sum of its proper divisors (2429819).

16222213 is a wasteful number, since it uses less digits than its factorization.

16222213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14051.

The product of its digits is 288, while the sum is 19.

The square root of 16222213 is about 4027.6808463432. The cubic root of 16222213 is about 253.1453959687.

Adding to 16222213 its reverse (31222261), we get a palindrome (47444474).

The spelling of 16222213 in words is "sixteen million, two hundred twenty-two thousand, two hundred thirteen".