16226212 has 6 divisors (see below), whose sum is σ = 28395878. Its totient is φ = 8113104.

The previous prime is 16226207. The next prime is 16226263. The reversal of 16226212 is 21262261.

It can be written as a sum of positive squares in only one way, i.e., 14546596 + 1679616 = 3814^2 + 1296^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2028273 + ... + 2028280.

Almost surely, 2^16226212 is an apocalyptic number.

It is an amenable number.

16226212 is a deficient number, since it is larger than the sum of its proper divisors (12169666).

16226212 is a wasteful number, since it uses less digits than its factorization.

16226212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4056557 (or 4056555 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 16226212 is about 4028.1772552856. The cubic root of 16226212 is about 253.1661955407.

Adding to 16226212 its reverse (21262261), we get a palindrome (37488473).

The spelling of 16226212 in words is "sixteen million, two hundred twenty-six thousand, two hundred twelve".