22512116 has 24 divisors (see below), whose sum is σ = 44029440. Its totient is φ = 9982400.

The previous prime is 22512053. The next prime is 22512143. The reversal of 22512116 is 61121522.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4436 + ... + 8043.

It is an arithmetic number, because the mean of its divisors is an integer number (1834560).

Almost surely, 2^22512116 is an apocalyptic number.

It is an amenable number.

22512116 is a deficient number, since it is larger than the sum of its proper divisors (21517324).

22512116 is a wasteful number, since it uses less digits than its factorization.

22512116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12535 (or 12533 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 22512116 is about 4744.6934569053. The cubic root of 22512116 is about 282.3614733158.

Adding to 22512116 its reverse (61121522), we get a palindrome (83633638).

The spelling of 22512116 in words is "twenty-two million, five hundred twelve thousand, one hundred sixteen".