22223344 has 60 divisors (see below), whose sum is σ = 51026248. Its totient is φ = 9313920.

The previous prime is 22223329. The next prime is 22223351. The reversal of 22223344 is 44332222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24727 + ... + 25609.

Almost surely, 2^22223344 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 22223344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25513124).

22223344 is an abundant number, since it is smaller than the sum of its proper divisors (28802904).

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

22223344 is a wasteful number, since it uses less digits than its factorization.

22223344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926 (or 909 counting only the distinct ones).

The product of its digits is 2304, while the sum is 22.

The square root of 22223344 is about 4714.1641889098. The cubic root of 22223344 is about 281.1489524078.

Adding to 22223344 its reverse (44332222), we get a palindrome (66555566).

The spelling of 22223344 in words is "twenty-two million, two hundred twenty-three thousand, three hundred forty-four".