1122252255 has 12 divisors (see below), whose sum is σ = 1945237320. Its totient is φ = 598534512.

The previous prime is 1122252253. The next prime is 1122252277. The reversal of 1122252255 is 5522522211.

It is a happy number.

1122252255 is a `hidden beast` number, since 112 + 22 + 522 + 5 + 5 = 666.

It is not a de Polignac number, because 1122252255 - 2¹ = 1122252253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122252253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12469425 + ... + 12469514.

It is an arithmetic number, because the mean of its divisors is an integer number (162103110).

Almost surely, 2^1122252255 is an apocalyptic number.

1122252255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1122252255 is a deficient number, since it is larger than the sum of its proper divisors (822985065).

1122252255 is a wasteful number, since it uses less digits than its factorization.

1122252255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24938950 (or 24938947 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 1122252255 is about 33500.0336566995. The cubic root of 1122252255 is about 1039.1944745576.

Adding to 1122252255 its reverse (5522522211), we get a palindrome (6644774466).

The spelling of 1122252255 in words is "one billion, one hundred twenty-two million, two hundred fifty-two thousand, two hundred fifty-five".