1122205005 has 48 divisors (see below), whose sum is σ = 2020440240. Its totient is φ = 575714304.

The previous prime is 1122204989. The next prime is 1122205009. The reversal of 1122205005 is 5005022211.

It can be written as a sum of positive squares in 8 ways, for example, as 139570596 + 982634409 = 11814^2 + 31347^2 .

It is not a de Polignac number, because 1122205005 - 2⁴ = 1122204989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122205009) 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 47 ways as a sum of consecutive naturals, for example, 144399 + ... + 151971.

It is an arithmetic number, because the mean of its divisors is an integer number (42092505).

Almost surely, 2^1122205005 is an apocalyptic number.

1122205005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1122205005 is a deficient number, since it is larger than the sum of its proper divisors (898235235).

1122205005 is a wasteful number, since it uses less digits than its factorization.

1122205005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7710 (or 7707 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1122205005 is about 33499.3284261043. The cubic root of 1122205005 is about 1039.1798900089.

Adding to 1122205005 its reverse (5005022211), we get a palindrome (6127227216).

The spelling of 1122205005 in words is "one billion, one hundred twenty-two million, two hundred five thousand, five".