1122323240 has 16 divisors (see below), whose sum is σ = 2525227380. Its totient is φ = 448929280.

The previous prime is 1122323239. The next prime is 1122323269. The reversal of 1122323240 is 423232211.

It can be written as a sum of positive squares in 2 ways, for example, as 1103435524 + 18887716 = 33218^2 + 4346^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14029001 + ... + 14029080.

Almost surely, 2^1122323240 is an apocalyptic number.

1122323240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122323240 is an abundant number, since it is smaller than the sum of its proper divisors (1402904140).

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

1122323240 is a wasteful number, since it uses less digits than its factorization.

1122323240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28058092 (or 28058088 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1122323240 is about 33501.0931164940. The cubic root of 1122323240 is about 1039.2163845646.

Adding to 1122323240 its reverse (423232211), we get a palindrome (1545555451).

The spelling of 1122323240 in words is "one billion, one hundred twenty-two million, three hundred twenty-three thousand, two hundred forty".