22132211 has 2 divisors, whose sum is σ = 22132212. Its totient is φ = 22132210.

The previous prime is 22132189. The next prime is 22132219. The reversal of 22132211 is 11223122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22132211 is a prime.

It is not a weakly prime, because it can be changed into another prime (22132219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11066105 + 11066106.

It is an arithmetic number, because the mean of its divisors is an integer number (11066106).

Almost surely, 2^22132211 is an apocalyptic number.

22132211 is a deficient number, since it is larger than the sum of its proper divisors (1).

22132211 is an equidigital number, since it uses as much as digits as its factorization.

22132211 is an odious number, because the sum of its binary digits is odd.

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

The square root of 22132211 is about 4704.4883887624. The cubic root of 22132211 is about 280.7641160724.

Adding to 22132211 its reverse (11223122), we get a palindrome (33355333).

The spelling of 22132211 in words is "twenty-two million, one hundred thirty-two thousand, two hundred eleven".