8222781396082 has 24 divisors (see below), whose sum is σ = 13813195714668. Its totient is φ = 3667106620320.

The previous prime is 8222781396077. The next prime is 8222781396097. The reversal of 8222781396082 is 2806931872228.

It can be written as a sum of positive squares in 2 ways, for example, as 7717500685521 + 505280710561 = 2778039^2 + 710831^2 .

It is a super-2 number, since 2×8222781396082² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 320538453 + ... + 320564104.

Almost surely, 2^{8222781396082} is an apocalyptic number.

8222781396082 is a deficient number, since it is larger than the sum of its proper divisors (5590414318586).

8222781396082 is a wasteful number, since it uses less digits than its factorization.

8222781396082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641102634 (or 641102623 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 58.

The spelling of 8222781396082 in words is "eight trillion, two hundred twenty-two billion, seven hundred eighty-one million, three hundred ninety-six thousand, eighty-two".