22663344 has 40 divisors (see below), whose sum is σ = 63870912. Its totient is φ = 6867520.

The previous prime is 22663339. The next prime is 22663373. The reversal of 22663344 is 44336622.

It is a happy number.

It is a super-2 number, since 2×22663344² = 1027254322524672, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 10.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20934 + ... + 21989.

Almost surely, 2^22663344 is an apocalyptic number.

22663344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22663344 is an abundant number, since it is smaller than the sum of its proper divisors (41207568).

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

22663344 is a wasteful number, since it uses less digits than its factorization.

22663344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42945 (or 42939 counting only the distinct ones).

The product of its digits is 20736, while the sum is 30.

The square root of 22663344 is about 4760.6033231094. The cubic root of 22663344 is about 282.9923291590.

Adding to 22663344 its reverse (44336622), we get a palindrome (66999966).

It can be divided in two parts, 22 and 663344, that added together give a palindrome (663366).

The spelling of 22663344 in words is "twenty-two million, six hundred sixty-three thousand, three hundred forty-four".