1800000322 has 16 divisors (see below), whose sum is σ = 2747145600. Its totient is φ = 884316240.

The previous prime is 1800000317. The next prime is 1800000329. The reversal of 1800000322 is 2230000081.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1800000296 and 1800000305.

It is not an unprimeable number, because it can be changed into a prime (1800000329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117079 + ... + 131557.

It is an arithmetic number, because the mean of its divisors is an integer number (171696600).

Almost surely, 2^1800000322 is an apocalyptic number.

1800000322 is a deficient number, since it is larger than the sum of its proper divisors (947145278).

1800000322 is a wasteful number, since it uses less digits than its factorization.

1800000322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15561.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1800000322 is about 42426.4106659991. The cubic root of 1800000322 is about 1216.4404716506.

The spelling of 1800000322 in words is "one billion, eight hundred million, three hundred twenty-two", and thus it is an aban number.