22243422 has 8 divisors (see below), whose sum is σ = 44486856. Its totient is φ = 7414472.

The previous prime is 22243393. The next prime is 22243423. The reversal of 22243422 is 22434222.

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

22243422 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22243423) 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, 1853613 + ... + 1853624.

It is an arithmetic number, because the mean of its divisors is an integer number (5560857).

Almost surely, 2^22243422 is an apocalyptic number.

22243422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22243422 is a wasteful number, since it uses less digits than its factorization.

22243422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707242.

The product of its digits is 1536, while the sum is 21.

The square root of 22243422 is about 4716.2932478802. The cubic root of 22243422 is about 281.2335962779.

Adding to 22243422 its reverse (22434222), we get a palindrome (44677644).

It can be divided in two parts, 2 and 2243422, that multiplied together give a palindrome (4486844).

The spelling of 22243422 in words is "twenty-two million, two hundred forty-three thousand, four hundred twenty-two".