22663044 has 48 divisors (see below), whose sum is σ = 59082240. Its totient is φ = 7512480.

The previous prime is 22663033. The next prime is 22663051. The reversal of 22663044 is 44036622.

22663044 is a `hidden beast` number, since 2 + 26 + 630 + 4 + 4 = 666.

It is a super-2 number, since 2×22663044² = 1027227126691872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 22662999 and 22663017.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23614 + ... + 24554.

It is an arithmetic number, because the mean of its divisors is an integer number (1230880).

Almost surely, 2^22663044 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 22663044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29541120).

22663044 is an abundant number, since it is smaller than the sum of its proper divisors (36419196).

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

22663044 is a wasteful number, since it uses less digits than its factorization.

22663044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177 (or 1169 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 22663044 is about 4760.5718143937. The cubic root of 22663044 is about 282.9910804749.

Adding to 22663044 its reverse (44036622), we get a palindrome (66699666).

The spelling of 22663044 in words is "twenty-two million, six hundred sixty-three thousand, forty-four".