22224322 has 4 divisors (see below), whose sum is σ = 33336486. Its totient is φ = 11112160.

The previous prime is 22224317. The next prime is 22224361. The reversal of 22224322 is 22342222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21077281 + 1147041 = 4591^2 + 1071^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22224322.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556079 + ... + 5556082.

Almost surely, 2^22224322 is an apocalyptic number.

22224322 is a deficient number, since it is larger than the sum of its proper divisors (11112164).

22224322 is a wasteful number, since it uses less digits than its factorization.

22224322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11112163.

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

The square root of 22224322 is about 4714.2679177153. The cubic root of 22224322 is about 281.1530765942.

Adding to 22224322 its reverse (22342222), we get a palindrome (44566544).

The spelling of 22224322 in words is "twenty-two million, two hundred twenty-four thousand, three hundred twenty-two".