1327998822 has 16 divisors (see below), whose sum is σ = 2656929600. Its totient is φ = 442510952.

The previous prime is 1327998779. The next prime is 1327998883. The reversal of 1327998822 is 2288997231.

It is a congruent number.

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, 19572 + ... + 55127.

It is an arithmetic number, because the mean of its divisors is an integer number (166058100).

Almost surely, 2^1327998822 is an apocalyptic number.

1327998822 is an abundant number, since it is smaller than the sum of its proper divisors (1328930778).

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

1327998822 is a wasteful number, since it uses less digits than its factorization.

1327998822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77667.

The product of its digits is 870912, while the sum is 51.

The square root of 1327998822 is about 36441.7181537863. The cubic root of 1327998822 is about 1099.1726070125.

It can be divided in two parts, 13279 and 98822, that added together give a triangular number (112101 = T₄₇₃).

The spelling of 1327998822 in words is "one billion, three hundred twenty-seven million, nine hundred ninety-eight thousand, eight hundred twenty-two".