22027344 has 40 divisors (see below), whose sum is σ = 57844512. Its totient is φ = 7221120.

The previous prime is 22027339. The next prime is 22027351. The reversal of 22027344 is 44372022.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 834 + ... + 6689.

Almost surely, 2^22027344 is an apocalyptic number.

22027344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22027344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28922256).

22027344 is an abundant number, since it is smaller than the sum of its proper divisors (35817168).

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

22027344 is a wasteful number, since it uses less digits than its factorization.

22027344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7595 (or 7589 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 22027344 is about 4693.3297348471. The cubic root of 22027344 is about 280.3199743411.

Adding to 22027344 its reverse (44372022), we get a palindrome (66399366).

The spelling of 22027344 in words is "twenty-two million, twenty-seven thousand, three hundred forty-four".