22264424 has 96 divisors (see below), whose sum is σ = 55588680. Its totient is φ = 8257536.

The previous prime is 22264423. The next prime is 22264433. The reversal of 22264424 is 42446222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21996100 + 268324 = 4690^2 + 518^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 22264393 and 22264402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22264423) 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 23 ways as a sum of consecutive naturals, for example, 86504 + ... + 86760.

Almost surely, 2^22264424 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 22264424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27794340).

22264424 is an abundant number, since it is smaller than the sum of its proper divisors (33324256).

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

22264424 is a wasteful number, since it uses less digits than its factorization.

22264424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 296 counting only the distinct ones).

The product of its digits is 6144, while the sum is 26.

The square root of 22264424 is about 4718.5192592592. The cubic root of 22264424 is about 281.3220810146.

It can be divided in two parts, 222 and 64424, that added together give a palindrome (64646).

The spelling of 22264424 in words is "twenty-two million, two hundred sixty-four thousand, four hundred twenty-four".