22144716 has 36 divisors (see below), whose sum is σ = 61066824. Its totient is φ = 6710400.

The previous prime is 22144711. The next prime is 22144721. The reversal of 22144716 is 61744122.

It is an interprime number because it is at equal distance from previous prime (22144711) and next prime (22144721).

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22144716.

It is not an unprimeable number, because it can be changed into a prime (22144711) 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 11 ways as a sum of consecutive naturals, for example, 27565 + ... + 28356.

Almost surely, 2^22144716 is an apocalyptic number.

It is an amenable number.

22144716 is an abundant number, since it is smaller than the sum of its proper divisors (38922108).

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

22144716 is a wasteful number, since it uses less digits than its factorization.

22144716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55942 (or 55937 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 22144716 is about 4705.8172510203. The cubic root of 22144716 is about 280.8169846302.

Adding to 22144716 its reverse (61744122), we get a palindrome (83888838).

The spelling of 22144716 in words is "twenty-two million, one hundred forty-four thousand, seven hundred sixteen".