22444352 has 84 divisors (see below), whose sum is σ = 54987444. Its totient is φ = 9031680.

The previous prime is 22444351. The next prime is 22444379. The reversal of 22444352 is 25344422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6635776 + 15808576 = 2576^2 + 3976^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22444351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53102 + ... + 53522.

Almost surely, 2^22444352 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 22444352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27493722).

22444352 is an abundant number, since it is smaller than the sum of its proper divisors (32543092).

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

22444352 is a wasteful number, since it uses less digits than its factorization.

22444352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 447 counting only the distinct ones).

The product of its digits is 7680, while the sum is 26.

The square root of 22444352 is about 4737.5470446213. The cubic root of 22444352 is about 282.0778753119.

Adding to 22444352 its reverse (25344422), we get a palindrome (47788774).

The spelling of 22444352 in words is "twenty-two million, four hundred forty-four thousand, three hundred fifty-two".