22016944 has 20 divisors (see below), whose sum is σ = 44034880. Its totient is φ = 10653120.

The previous prime is 22016941. The next prime is 22016947. The reversal of 22016944 is 44961022.

It is an interprime number because it is at equal distance from previous prime (22016941) and next prime (22016947).

22016944 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (22016941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21699 + ... + 22690.

It is an arithmetic number, because the mean of its divisors is an integer number (2201744).

Almost surely, 2^22016944 is an apocalyptic number.

It is an amenable number.

22016944 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.

22016944 is a wasteful number, since it uses less digits than its factorization.

22016944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44428 (or 44422 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 22016944 is about 4692.2216486436. The cubic root of 22016944 is about 280.2758505970.

Adding to 22016944 its reverse (44961022), we get a palindrome (66977966).

The spelling of 22016944 in words is "twenty-two million, sixteen thousand, nine hundred forty-four".