22016289 has 16 divisors (see below), whose sum is σ = 29955200. Its totient is φ = 14380416.

The previous prime is 22016287. The next prime is 22016321. The reversal of 22016289 is 98261022.

It is not a de Polignac number, because 22016289 - 2¹ = 22016287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22016287) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 49932 + ... + 50370.

It is an arithmetic number, because the mean of its divisors is an integer number (1872200).

Almost surely, 2^22016289 is an apocalyptic number.

It is an amenable number.

22016289 is a deficient number, since it is larger than the sum of its proper divisors (7938911).

22016289 is a wasteful number, since it uses less digits than its factorization.

22016289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 22016289 is about 4692.1518517627. The cubic root of 22016289 is about 280.2730711846.

The spelling of 22016289 in words is "twenty-two million, sixteen thousand, two hundred eighty-nine".