22111322 has 16 divisors (see below), whose sum is σ = 35321832. Its totient is φ = 10344960.

The previous prime is 22111321. The next prime is 22111351. The reversal of 22111322 is 22311122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13402921 + 8708401 = 3661^2 + 2951^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22111297 and 22111306.

It is not an unprimeable number, because it can be changed into a prime (22111321) 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 7 ways as a sum of consecutive naturals, for example, 4358 + ... + 7950.

Almost surely, 2^22111322 is an apocalyptic number.

22111322 is a deficient number, since it is larger than the sum of its proper divisors (13210510).

22111322 is a wasteful number, since it uses less digits than its factorization.

22111322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793.

The product of its digits is 48, while the sum is 14.

The square root of 22111322 is about 4702.2677507773. The cubic root of 22111322 is about 280.6757572585.

Adding to 22111322 its reverse (22311122), we get a palindrome (44422444).

The spelling of 22111322 in words is "twenty-two million, one hundred eleven thousand, three hundred twenty-two".