2221210133 has 2 divisors, whose sum is σ = 2221210134. Its totient is φ = 2221210132.

The previous prime is 2221210127. The next prime is 2221210139. The reversal of 2221210133 is 3310121222.

It is a balanced prime because it is at equal distance from previous prime (2221210127) and next prime (2221210139).

It can be written as a sum of positive squares in only one way, i.e., 2023470289 + 197739844 = 44983^2 + 14062^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221210133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221210139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110605066 + 1110605067.

It is an arithmetic number, because the mean of its divisors is an integer number (1110605067).

Almost surely, 2^2221210133 is an apocalyptic number.

It is an amenable number.

2221210133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221210133 is an equidigital number, since it uses as much as digits as its factorization.

2221210133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2221210133 is about 47129.7160292739. The cubic root of 2221210133 is about 1304.7577405390.

Adding to 2221210133 its reverse (3310121222), we get a palindrome (5531331355).

The spelling of 2221210133 in words is "two billion, two hundred twenty-one million, two hundred ten thousand, one hundred thirty-three".