1122250000 has 105 divisors (see below), whose sum is σ = 2759085777. Its totient is φ = 442200000.

The previous prime is 1122249979. The next prime is 1122250009. The reversal of 1122250000 is 522211.

The square root of 1122250000 is 33500.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 3 ways, for example, as 983198736 + 139051264 = 31356^2 + 11792^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122250009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 16749967 + ... + 16750033.

Almost surely, 2^1122250000 is an apocalyptic number.

1122250000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1122250000 is the 33500-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122250000

1122250000 is an abundant number, since it is smaller than the sum of its proper divisors (1636835777).

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

1122250000 is an frugal number, since it uses more digits than its factorization.

1122250000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The cubic root of 1122250000 is about 1039.1937785212.

Adding to 1122250000 its reverse (522211), we get a palindrome (1122772211).

The spelling of 1122250000 in words is "one billion, one hundred twenty-two million, two hundred fifty thousand".