1122508818 has 12 divisors (see below), whose sum is σ = 2432102478. Its totient is φ = 374169600.

The previous prime is 1122508801. The next prime is 1122508819. The reversal of 1122508818 is 8188052211.

It can be written as a sum of positive squares in only one way, i.e., 958335849 + 164172969 = 30957^2 + 12813^2 .

It is not an unprimeable number, because it can be changed into a prime (1122508819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31180783 + ... + 31180818.

Almost surely, 2^1122508818 is an apocalyptic number.

1122508818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1122508818 is an abundant number, since it is smaller than the sum of its proper divisors (1309593660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122508818 is a wasteful number, since it uses less digits than its factorization.

1122508818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62361609 (or 62361606 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 36.

The square root of 1122508818 is about 33503.8627325268. The cubic root of 1122508818 is about 1039.2736601227.

The spelling of 1122508818 in words is "one billion, one hundred twenty-two million, five hundred eight thousand, eight hundred eighteen".