22263712 has 48 divisors (see below), whose sum is σ = 45505152. Its totient is φ = 10716160.

The previous prime is 22263707. The next prime is 22263713. The reversal of 22263712 is 21736222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22263713) 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 7 ways as a sum of consecutive naturals, for example, 169887 + ... + 170017.

It is an arithmetic number, because the mean of its divisors is an integer number (948024).

Almost surely, 2^22263712 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 22263712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22752576).

22263712 is an abundant number, since it is smaller than the sum of its proper divisors (23241440).

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

22263712 is a wasteful number, since it uses less digits than its factorization.

22263712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 293 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 22263712 is about 4718.4438112581. The cubic root of 22263712 is about 281.3190821578.

Adding to 22263712 its reverse (21736222), we get a palindrome (43999934).

The spelling of 22263712 in words is "twenty-two million, two hundred sixty-three thousand, seven hundred twelve".