8222881050638 has 4 divisors (see below), whose sum is σ = 12334321575960. Its totient is φ = 4111440525318.

The previous prime is 8222881050599. The next prime is 8222881050697. The reversal of 8222881050638 is 8360501882228.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8222881050638.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2055720262658 + ... + 2055720262661.

It is an arithmetic number, because the mean of its divisors is an integer number (3083580393990).

Almost surely, 2^{8222881050638} is an apocalyptic number.

8222881050638 is a deficient number, since it is larger than the sum of its proper divisors (4111440525322).

8222881050638 is a wasteful number, since it uses less digits than its factorization.

8222881050638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4111440525321.

The product of its (nonzero) digits is 2949120, while the sum is 53.

The spelling of 8222881050638 in words is "eight trillion, two hundred twenty-two billion, eight hundred eighty-one million, fifty thousand, six hundred thirty-eight".