22644116 has 12 divisors (see below), whose sum is σ = 43229760. Its totient is φ = 10292760.

The previous prime is 22644107. The next prime is 22644131. The reversal of 22644116 is 61144622.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 257276 + ... + 257363.

It is an arithmetic number, because the mean of its divisors is an integer number (3602480).

Almost surely, 2^22644116 is an apocalyptic number.

It is an amenable number.

22644116 is a deficient number, since it is larger than the sum of its proper divisors (20585644).

22644116 is a wasteful number, since it uses less digits than its factorization.

22644116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514654 (or 514652 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 22644116 is about 4758.5834026525. The cubic root of 22644116 is about 282.9122745403.

Adding to 22644116 its reverse (61144622), we get a palindrome (83788738).

The spelling of 22644116 in words is "twenty-two million, six hundred forty-four thousand, one hundred sixteen".