8220354682 has 16 divisors (see below), whose sum is σ = 12483515880. Its totient is φ = 4059424512.

The previous prime is 8220354647. The next prime is 8220354683. The reversal of 8220354682 is 2864530228.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7616227441 + 604127241 = 87271^2 + 24579^2 .

It is a super-2 number, since 2×8220354682² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8220354683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7998 + ... + 128470.

Almost surely, 2^8220354682 is an apocalyptic number.

8220354682 is a deficient number, since it is larger than the sum of its proper divisors (4263161198).

8220354682 is a wasteful number, since it uses less digits than its factorization.

8220354682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120897.

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 8220354682 is about 90666.1716518350. The cubic root of 8220354682 is about 2018.1968258140.

The spelling of 8220354682 in words is "eight billion, two hundred twenty million, three hundred fifty-four thousand, six hundred eighty-two".