22234222 has 8 divisors (see below), whose sum is σ = 33422400. Its totient is φ = 11093424.

The previous prime is 22234217. The next prime is 22234229. The reversal of 22234222 is 22243222.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22234222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22234229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10647 + ... + 12562.

It is an arithmetic number, because the mean of its divisors is an integer number (4177800).

Almost surely, 2^22234222 is an apocalyptic number.

22234222 is a deficient number, since it is larger than the sum of its proper divisors (11188178).

22234222 is a wasteful number, since it uses less digits than its factorization.

22234222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23690.

The product of its digits is 768, while the sum is 19.

The square root of 22234222 is about 4715.3178047720. The cubic root of 22234222 is about 281.1948176840.

Adding to 22234222 its reverse (22243222), we get a palindrome (44477444).

The spelling of 22234222 in words is "twenty-two million, two hundred thirty-four thousand, two hundred twenty-two".