22116145 has 8 divisors (see below), whose sum is σ = 26913600. Its totient is φ = 17443440.

The previous prime is 22116109. The next prime is 22116163. The reversal of 22116145 is 54161122.

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

It is a de Polignac number, because none of the positive numbers 2^k-22116145 is a prime.

It is a super-2 number, since 2×22116145² = 978247739322050, which contains 22 as substring.

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, 30795 + ... + 31504.

It is an arithmetic number, because the mean of its divisors is an integer number (3364200).

Almost surely, 2^22116145 is an apocalyptic number.

It is an amenable number.

22116145 is a deficient number, since it is larger than the sum of its proper divisors (4797455).

22116145 is an equidigital number, since it uses as much as digits as its factorization.

22116145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62375.

The product of its digits is 480, while the sum is 22.

The square root of 22116145 is about 4702.7805604770. The cubic root of 22116145 is about 280.6961631056.

Adding to 22116145 its reverse (54161122), we get a palindrome (76277267).

The spelling of 22116145 in words is "twenty-two million, one hundred sixteen thousand, one hundred forty-five".