22221673 has 8 divisors (see below), whose sum is σ = 22780800. Its totient is φ = 21669648.

The previous prime is 22221649. The next prime is 22221691. The reversal of 22221673 is 37612222.

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 22221673 - 2⁹ = 22221161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22221373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4863 + ... + 8251.

It is an arithmetic number, because the mean of its divisors is an integer number (2847600).

Almost surely, 2^22221673 is an apocalyptic number.

It is an amenable number.

22221673 is a deficient number, since it is larger than the sum of its proper divisors (559127).

22221673 is an equidigital number, since it uses as much as digits as its factorization.

22221673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3551.

The product of its digits is 2016, while the sum is 25.

The square root of 22221673 is about 4713.9869537367. The cubic root of 22221673 is about 281.1419055884.

Adding to 22221673 its reverse (37612222), we get a palindrome (59833895).

The spelling of 22221673 in words is "twenty-two million, two hundred twenty-one thousand, six hundred seventy-three".