22213173 has 8 divisors (see below), whose sum is σ = 29831200. Its totient is φ = 14701968.

The previous prime is 22213133. The next prime is 22213183. The reversal of 22213173 is 37131222.

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

It is not a de Polignac number, because 22213173 - 2⁹ = 22212661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22213133) 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 7 ways as a sum of consecutive naturals, for example, 26218 + ... + 27051.

It is an arithmetic number, because the mean of its divisors is an integer number (3728900).

Almost surely, 2^22213173 is an apocalyptic number.

It is an amenable number.

22213173 is a deficient number, since it is larger than the sum of its proper divisors (7618027).

22213173 is a wasteful number, since it uses less digits than its factorization.

22213173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53411.

The product of its digits is 504, while the sum is 21.

The square root of 22213173 is about 4713.0852952180. The cubic root of 22213173 is about 281.1060545379.

Adding to 22213173 its reverse (37131222), we get a palindrome (59344395).

The spelling of 22213173 in words is "twenty-two million, two hundred thirteen thousand, one hundred seventy-three".