22120113 has 8 divisors (see below), whose sum is σ = 29515968. Its totient is φ = 14735504.

The previous prime is 22120099. The next prime is 22120151. The reversal of 22120113 is 31102122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22120113 - 2¹⁴ = 22103729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22120183) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4495 + ... + 8027.

It is an arithmetic number, because the mean of its divisors is an integer number (3689496).

Almost surely, 2^22120113 is an apocalyptic number.

It is an amenable number.

22120113 is a deficient number, since it is larger than the sum of its proper divisors (7395855).

22120113 is a wasteful number, since it uses less digits than its factorization.

22120113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5623.

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

The square root of 22120113 is about 4703.2024196286. The cubic root of 22120113 is about 280.7129492705.

Adding to 22120113 its reverse (31102122), we get a palindrome (53222235).

Subtracting 22120113 from its reverse (31102122), we obtain a square (8982009 = 2997²).

The spelling of 22120113 in words is "twenty-two million, one hundred twenty thousand, one hundred thirteen".