8221401352 has 16 divisors (see below), whose sum is σ = 15417197100. Its totient is φ = 4110148800.

The previous prime is 8221401347. The next prime is 8221401379. The reversal of 8221401352 is 2531041228.

It can be written as a sum of positive squares in 2 ways, for example, as 7738017156 + 483384196 = 87966^2 + 21986^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8221401352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1827 + ... + 128242.

Almost surely, 2^8221401352 is an apocalyptic number.

It is an amenable number.

8221401352 is a deficient number, since it is larger than the sum of its proper divisors (7195795748).

8221401352 is a wasteful number, since it uses less digits than its factorization.

8221401352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137976 (or 137972 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 8221401352 is about 90671.9435768309. The cubic root of 8221401352 is about 2018.2824789074.

The spelling of 8221401352 in words is "eight billion, two hundred twenty-one million, four hundred one thousand, three hundred fifty-two".