22044366 has 16 divisors (see below), whose sum is σ = 48987600. Its totient is φ = 7348104.

The previous prime is 22044353. The next prime is 22044367. The reversal of 22044366 is 66344022.

22044366 is a `hidden beast` number, since 220 + 4 + 436 + 6 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22044367) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 204061 + ... + 204168.

It is an arithmetic number, because the mean of its divisors is an integer number (3061725).

Almost surely, 2^22044366 is an apocalyptic number.

22044366 is an abundant number, since it is smaller than the sum of its proper divisors (26943234).

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

22044366 is a wasteful number, since it uses less digits than its factorization.

22044366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408240 (or 408234 counting only the distinct ones).

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

The square root of 22044366 is about 4695.1428093297. The cubic root of 22044366 is about 280.3921630719.

Adding to 22044366 its reverse (66344022), we get a palindrome (88388388).

The spelling of 22044366 in words is "twenty-two million, forty-four thousand, three hundred sixty-six".