16332226 has 8 divisors (see below), whose sum is σ = 25288704. Its totient is φ = 7902660.

The previous prime is 16332209. The next prime is 16332241. The reversal of 16332226 is 62223361.

It is a happy number.

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

It is a super-2 number, since 2×16332226² = 533483212230152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16332226.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 131650 + ... + 131773.

It is an arithmetic number, because the mean of its divisors is an integer number (3161088).

Almost surely, 2^16332226 is an apocalyptic number.

16332226 is a deficient number, since it is larger than the sum of its proper divisors (8956478).

16332226 is a wasteful number, since it uses less digits than its factorization.

16332226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263456.

The product of its digits is 2592, while the sum is 25.

The square root of 16332226 is about 4041.3148850343. The cubic root of 16332226 is about 253.7163531305.

Adding to 16332226 its reverse (62223361), we get a palindrome (78555587).

The spelling of 16332226 in words is "sixteen million, three hundred thirty-two thousand, two hundred twenty-six".