16222204 has 6 divisors (see below), whose sum is σ = 28388864. Its totient is φ = 8111100.

The previous prime is 16222127. The next prime is 16222211. The reversal of 16222204 is 40222261.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2027772 + ... + 2027779.

Almost surely, 2^16222204 is an apocalyptic number.

It is an amenable number.

16222204 is a deficient number, since it is larger than the sum of its proper divisors (12166660).

16222204 is a wasteful number, since it uses less digits than its factorization.

16222204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4055555 (or 4055553 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 16222204 is about 4027.6797290748. The cubic root of 16222204 is about 253.1453491541.

Adding to 16222204 its reverse (40222261), we get a palindrome (56444465).

It can be divided in two parts, 162 and 22204, that added together give a triangular number (22366 = T₂₁₁).

The spelling of 16222204 in words is "sixteen million, two hundred twenty-two thousand, two hundred four".