22111673 has 4 divisors (see below), whose sum is σ = 22131060. Its totient is φ = 22092288.

The previous prime is 22111651. The next prime is 22111697. The reversal of 22111673 is 37611122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5161984 + 16949689 = 2272^2 + 4117^2 .

It is a cyclic number.

It is not a de Polignac number, because 22111673 - 2¹⁴ = 22095289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22111603) 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 3 ways as a sum of consecutive naturals, for example, 7868 + ... + 10301.

It is an arithmetic number, because the mean of its divisors is an integer number (5532765).

Almost surely, 2^22111673 is an apocalyptic number.

It is an amenable number.

22111673 is a deficient number, since it is larger than the sum of its proper divisors (19387).

22111673 is a wasteful number, since it uses less digits than its factorization.

22111673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19386.

The product of its digits is 504, while the sum is 23.

The square root of 22111673 is about 4702.3050730466. The cubic root of 22111673 is about 280.6772424203.

Adding to 22111673 its reverse (37611122), we get a palindrome (59722795).

The spelling of 22111673 in words is "twenty-two million, one hundred eleven thousand, six hundred seventy-three".