16222568 has 8 divisors (see below), whose sum is σ = 30417330. Its totient is φ = 8111280.

The previous prime is 16222553. The next prime is 16222631. The reversal of 16222568 is 86522261.

It can be written as a sum of positive squares in only one way, i.e., 11303044 + 4919524 = 3362^2 + 2218^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 1013903 + ... + 1013918.

Almost surely, 2^16222568 is an apocalyptic number.

It is an amenable number.

16222568 is a deficient number, since it is larger than the sum of its proper divisors (14194762).

16222568 is a wasteful number, since it uses less digits than its factorization.

16222568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027827 (or 2027823 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 16222568 is about 4027.7249161282. The cubic root of 16222568 is about 253.1472425305.

The spelling of 16222568 in words is "sixteen million, two hundred twenty-two thousand, five hundred sixty-eight".