22264288 has 24 divisors (see below), whose sum is σ = 46412352. Its totient is φ = 10477056.

The previous prime is 22264283. The next prime is 22264309. The reversal of 22264288 is 88246222.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22264283) 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 3 ways as a sum of consecutive naturals, for example, 19920 + ... + 21007.

It is an arithmetic number, because the mean of its divisors is an integer number (1933848).

Almost surely, 2^22264288 is an apocalyptic number.

It is an amenable number.

22264288 is an abundant number, since it is smaller than the sum of its proper divisors (24148064).

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

22264288 is a wasteful number, since it uses less digits than its factorization.

22264288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40954 (or 40946 counting only the distinct ones).

The product of its digits is 24576, while the sum is 34.

The square root of 22264288 is about 4718.5048479365. The cubic root of 22264288 is about 281.3215082042.

The spelling of 22264288 in words is "twenty-two million, two hundred sixty-four thousand, two hundred eighty-eight".