222321133 has 2 divisors, whose sum is σ = 222321134. Its totient is φ = 222321132.

The previous prime is 222321107. The next prime is 222321157. The reversal of 222321133 is 331123222.

222321133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221325129 + 996004 = 14877^2 + 998^2 .

It is a cyclic number.

It is not a de Polignac number, because 222321133 - 2¹³ = 222312941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222321133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222321193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111160566 + 111160567.

It is an arithmetic number, because the mean of its divisors is an integer number (111160567).

Almost surely, 2^222321133 is an apocalyptic number.

It is an amenable number.

222321133 is a deficient number, since it is larger than the sum of its proper divisors (1).

222321133 is an equidigital number, since it uses as much as digits as its factorization.

222321133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 19.

The square root of 222321133 is about 14910.4370492618. The cubic root of 222321133 is about 605.7967173531.

Adding to 222321133 its reverse (331123222), we get a palindrome (553444355).

The spelling of 222321133 in words is "two hundred twenty-two million, three hundred twenty-one thousand, one hundred thirty-three".