22016448 has 140 divisors (see below), whose sum is σ = 67860672. Its totient is φ = 7050240.

The previous prime is 22016447. The next prime is 22016471. The reversal of 22016448 is 84461022.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22016447) 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 19 ways as a sum of consecutive naturals, for example, 160636 + ... + 160772.

Almost surely, 2^22016448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22016448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33930336).

22016448 is an abundant number, since it is smaller than the sum of its proper divisors (45844224).

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

22016448 is a wasteful number, since it uses less digits than its factorization.

22016448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 22016448 is about 4692.1687949178. The cubic root of 22016448 is about 280.2737458868.

It can be divided in two parts, 2201 and 6448, that added together give a square (8649 = 93²).

The spelling of 22016448 in words is "twenty-two million, sixteen thousand, four hundred forty-eight".