1422821328 has 40 divisors (see below), whose sum is σ = 3678181248. Its totient is φ = 473943552.

The previous prime is 1422821299. The next prime is 1422821333. The reversal of 1422821328 is 8231282241.

It is a nude number because it is divisible by every one of its digits.

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, 65001 + ... + 84087.

Almost surely, 2^1422821328 is an apocalyptic number.

It is an amenable number.

1422821328 is an abundant number, since it is smaller than the sum of its proper divisors (2255359920).

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

1422821328 is a wasteful number, since it uses less digits than its factorization.

1422821328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20651 (or 20645 counting only the distinct ones).

The product of its digits is 12288, while the sum is 33.

The square root of 1422821328 is about 37720.3039224235. The cubic root of 1422821328 is about 1124.7347728336.

The spelling of 1422821328 in words is "one billion, four hundred twenty-two million, eight hundred twenty-one thousand, three hundred twenty-eight".