16222612 has 12 divisors (see below), whose sum is σ = 32445280. Its totient is φ = 6952536.

The previous prime is 16222553. The next prime is 16222631. The reversal of 16222612 is 21622261.

16222612 is an admirable number.

It is a congruent number.

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, 289662 + ... + 289717.

Almost surely, 2^16222612 is an apocalyptic number.

It is an amenable number.

16222612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16222612 is a wasteful number, since it uses less digits than its factorization.

16222612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579390 (or 579388 counting only the distinct ones).

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

The square root of 16222612 is about 4027.7303782652. The cubic root of 16222612 is about 253.1474713983.

Adding to 16222612 its reverse (21622261), we get a palindrome (37844873).

The spelling of 16222612 in words is "sixteen million, two hundred twenty-two thousand, six hundred twelve".