1122450018 has 16 divisors (see below), whose sum is σ = 2264767776. Its totient is φ = 370838720.

The previous prime is 1122449987. The next prime is 1122450037. The reversal of 1122450018 is 8100542211.

It is a self number, because there is not a number n which added to its sum of digits gives 1122450018.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827088 + ... + 828443.

It is an arithmetic number, because the mean of its divisors is an integer number (141547986).

Almost surely, 2^1122450018 is an apocalyptic number.

1122450018 is an abundant number, since it is smaller than the sum of its proper divisors (1142317758).

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

1122450018 is a wasteful number, since it uses less digits than its factorization.

1122450018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655649.

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 1122450018 is about 33502.9852102764. The cubic root of 1122450018 is about 1039.2555131655.

Adding to 1122450018 its reverse (8100542211), we get a palindrome (9222992229).

The spelling of 1122450018 in words is "one billion, one hundred twenty-two million, four hundred fifty thousand, eighteen".