1122252277 has 2 divisors, whose sum is σ = 1122252278. Its totient is φ = 1122252276.

The previous prime is 1122252253. The next prime is 1122252281. The reversal of 1122252277 is 7722522211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1115626801 + 6625476 = 33401^2 + 2574^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122252277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122252377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561126138 + 561126139.

It is an arithmetic number, because the mean of its divisors is an integer number (561126139).

Almost surely, 2^1122252277 is an apocalyptic number.

It is an amenable number.

1122252277 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122252277 is an equidigital number, since it uses as much as digits as its factorization.

1122252277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7840, while the sum is 31.

The square root of 1122252277 is about 33500.0339850574. The cubic root of 1122252277 is about 1039.1944813482.

Adding to 1122252277 its reverse (7722522211), we get a palindrome (8844774488).

The spelling of 1122252277 in words is "one billion, one hundred twenty-two million, two hundred fifty-two thousand, two hundred seventy-seven".