22012113 has 16 divisors (see below), whose sum is σ = 30121280. Its totient is φ = 14294016.

The previous prime is 22012099. The next prime is 22012117. The reversal of 22012113 is 31121022.

It is not a de Polignac number, because 22012113 - 2⁴ = 22012097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22012117) 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 15 ways as a sum of consecutive naturals, for example, 18933 + ... + 20061.

It is an arithmetic number, because the mean of its divisors is an integer number (1882580).

Almost surely, 2^22012113 is an apocalyptic number.

It is an amenable number.

22012113 is a deficient number, since it is larger than the sum of its proper divisors (8109167).

22012113 is a wasteful number, since it uses less digits than its factorization.

22012113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 22012113 is about 4691.7068322733. The cubic root of 22012113 is about 280.2553495430.

Adding to 22012113 its reverse (31121022), we get a palindrome (53133135).

The spelling of 22012113 in words is "twenty-two million, twelve thousand, one hundred thirteen".