8221403432 has 16 divisors (see below), whose sum is σ = 16816507200. Its totient is φ = 3737001520.

The previous prime is 8221403413. The next prime is 8221403461. The reversal of 8221403432 is 2343041228.

It is a junction number, because it is equal to n+sod(n) for n = 8221403395 and 8221403404.

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, 46712432 + ... + 46712607.

It is an arithmetic number, because the mean of its divisors is an integer number (1051031700).

Almost surely, 2^8221403432 is an apocalyptic number.

It is an amenable number.

8221403432 is an abundant number, since it is smaller than the sum of its proper divisors (8595103768).

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

8221403432 is a wasteful number, since it uses less digits than its factorization.

8221403432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93425056 (or 93425052 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 8221403432 is about 90671.9550467508. The cubic root of 8221403432 is about 2018.2826491147.

The spelling of 8221403432 in words is "eight billion, two hundred twenty-one million, four hundred three thousand, four hundred thirty-two".