22622223 has 32 divisors (see below), whose sum is σ = 34776000. Its totient is φ = 12957696.

The previous prime is 22622221. The next prime is 22622227. The reversal of 22622223 is 32222622.

It is not a de Polignac number, because 22622223 - 2¹ = 22622221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22622223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22622221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98673 + ... + 98901.

It is an arithmetic number, because the mean of its divisors is an integer number (1086750).

Almost surely, 2^22622223 is an apocalyptic number.

22622223 is a deficient number, since it is larger than the sum of its proper divisors (12153777).

22622223 is a wasteful number, since it uses less digits than its factorization.

22622223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411.

The product of its digits is 1152, while the sum is 21.

The square root of 22622223 is about 4756.2824768931. The cubic root of 22622223 is about 282.8210691603.

Adding to 22622223 its reverse (32222622), we get a palindrome (54844845).

The spelling of 22622223 in words is "twenty-two million, six hundred twenty-two thousand, two hundred twenty-three".