1145222411 has 2 divisors, whose sum is σ = 1145222412. Its totient is φ = 1145222410.

The previous prime is 1145222401. The next prime is 1145222497. The reversal of 1145222411 is 1142225411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1145222411 - 2⁶ = 1145222347 is a prime.

It is not a weakly prime, because it can be changed into another prime (1145222401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572611205 + 572611206.

It is an arithmetic number, because the mean of its divisors is an integer number (572611206).

Almost surely, 2^1145222411 is an apocalyptic number.

1145222411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145222411 is an equidigital number, since it uses as much as digits as its factorization.

1145222411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 640, while the sum is 23.

The square root of 1145222411 is about 33841.1348952721. The cubic root of 1145222411 is about 1046.2366900734.

Adding to 1145222411 its reverse (1142225411), we get a palindrome (2287447822).

The spelling of 1145222411 in words is "one billion, one hundred forty-five million, two hundred twenty-two thousand, four hundred eleven".