22236322 has 4 divisors (see below), whose sum is σ = 33354486. Its totient is φ = 11118160.

The previous prime is 22236307. The next prime is 22236329. The reversal of 22236322 is 22363222.

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., 13242321 + 8994001 = 3639^2 + 2999^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 22236293 and 22236302.

It is not an unprimeable number, because it can be changed into a prime (22236329) 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 as a sum of consecutive naturals, namely, 5559079 + ... + 5559082.

Almost surely, 2^22236322 is an apocalyptic number.

22236322 is a deficient number, since it is larger than the sum of its proper divisors (11118164).

22236322 is a wasteful number, since it uses less digits than its factorization.

22236322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11118163.

The product of its digits is 1728, while the sum is 22.

The square root of 22236322 is about 4715.5404780364. The cubic root of 22236322 is about 281.2036702616.

Adding to 22236322 its reverse (22363222), we get a palindrome (44599544).

The spelling of 22236322 in words is "twenty-two million, two hundred thirty-six thousand, three hundred twenty-two".