22000113 has 16 divisors (see below), whose sum is σ = 32667840. Its totient is φ = 14632992.

The previous prime is 22000109. The next prime is 22000127. The reversal of 22000113 is 31100022.

It is a happy number.

It is not a de Polignac number, because 22000113 - 2² = 22000109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 22000095 and 22000104.

It is not an unprimeable number, because it can be changed into a prime (22000103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17845 + ... + 19037.

It is an arithmetic number, because the mean of its divisors is an integer number (2041740).

Almost surely, 2^22000113 is an apocalyptic number.

It is an amenable number.

22000113 is a deficient number, since it is larger than the sum of its proper divisors (10667727).

22000113 is a wasteful number, since it uses less digits than its factorization.

22000113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885 (or 1879 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 22000113 is about 4690.4278056484. The cubic root of 22000113 is about 280.2044128078.

Adding to 22000113 its reverse (31100022), we get a palindrome (53100135).

Subtracting 22000113 from its reverse (31100022), we obtain a palindrome (9099909).

The spelling of 22000113 in words is "twenty-two million, one hundred thirteen", and thus it is an aban number.