1111225441 has 2 divisors, whose sum is σ = 1111225442. Its totient is φ = 1111225440.

The previous prime is 1111225439. The next prime is 1111225499. The reversal of 1111225441 is 1445221111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1095345216 + 15880225 = 33096^2 + 3985^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111225441 - 2¹ = 1111225439 is a prime.

Together with 1111225439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1111220441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555612720 + 555612721.

It is an arithmetic number, because the mean of its divisors is an integer number (555612721).

Almost surely, 2^1111225441 is an apocalyptic number.

It is an amenable number.

1111225441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111225441 is an equidigital number, since it uses as much as digits as its factorization.

1111225441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 320, while the sum is 22.

The square root of 1111225441 is about 33335.0482375532. The cubic root of 1111225441 is about 1035.7796923876.

Adding to 1111225441 its reverse (1445221111), we get a palindrome (2556446552).

The spelling of 1111225441 in words is "one billion, one hundred eleven million, two hundred twenty-five thousand, four hundred forty-one".