22109366 has 4 divisors (see below), whose sum is σ = 33164052. Its totient is φ = 11054682.

The previous prime is 22109363. The next prime is 22109377. The reversal of 22109366 is 66390122.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22109363) 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 as a sum of consecutive naturals, namely, 5527340 + ... + 5527343.

It is an arithmetic number, because the mean of its divisors is an integer number (8291013).

Almost surely, 2^22109366 is an apocalyptic number.

22109366 is a deficient number, since it is larger than the sum of its proper divisors (11054686).

22109366 is a wasteful number, since it uses less digits than its factorization.

22109366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11054685.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 22109366 is about 4702.0597614237. The cubic root of 22109366 is about 280.6674806846.

Adding to 22109366 its reverse (66390122), we get a palindrome (88499488).

The spelling of 22109366 in words is "twenty-two million, one hundred nine thousand, three hundred sixty-six".