22422273 has 8 divisors (see below), whose sum is σ = 29919648. Its totient is φ = 14936544.

The previous prime is 22422247. The next prime is 22422293. The reversal of 22422273 is 37222422.

It is a happy number.

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

It is not a de Polignac number, because 22422273 - 2²⁰ = 21373697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22422293) 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, 3786 + ... + 7692.

It is an arithmetic number, because the mean of its divisors is an integer number (3739956).

Almost surely, 2^22422273 is an apocalyptic number.

It is an amenable number.

22422273 is a deficient number, since it is larger than the sum of its proper divisors (7497375).

22422273 is a wasteful number, since it uses less digits than its factorization.

22422273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5823.

The product of its digits is 2688, while the sum is 24.

The square root of 22422273 is about 4735.2162569412. The cubic root of 22422273 is about 281.9853495734.

Adding to 22422273 its reverse (37222422), we get a palindrome (59644695).

The spelling of 22422273 in words is "twenty-two million, four hundred twenty-two thousand, two hundred seventy-three".