1222234441 has 2 divisors, whose sum is σ = 1222234442. Its totient is φ = 1222234440.

The previous prime is 1222234439. The next prime is 1222234457. The reversal of 1222234441 is 1444322221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1196883216 + 25351225 = 34596^2 + 5035^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222234441 - 2¹ = 1222234439 is a prime.

Together with 1222234439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1222234141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611117220 + 611117221.

It is an arithmetic number, because the mean of its divisors is an integer number (611117221).

Almost surely, 2^1222234441 is an apocalyptic number.

It is an amenable number.

1222234441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222234441 is an equidigital number, since it uses as much as digits as its factorization.

1222234441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 25.

The square root of 1222234441 is about 34960.4696907808. The cubic root of 1222234441 is about 1069.1816729094.

Adding to 1222234441 its reverse (1444322221), we get a palindrome (2666556662).

The spelling of 1222234441 in words is "one billion, two hundred twenty-two million, two hundred thirty-four thousand, four hundred forty-one".