8342221810 has 128 divisors (see below), whose sum is σ = 17577181440. Its totient is φ = 2823020544.

The previous prime is 8342221801. The next prime is 8342221819. The reversal of 8342221810 is 181222438.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8342221801) and next prime (8342221819).

It is a super-2 number, since 2×8342221810² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8342221819) 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 63 ways as a sum of consecutive naturals, for example, 17863197 + ... + 17863663.

It is an arithmetic number, because the mean of its divisors is an integer number (137321730).

Almost surely, 2^8342221810 is an apocalyptic number.

8342221810 is an abundant number, since it is smaller than the sum of its proper divisors (9234959630).

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

8342221810 is a wasteful number, since it uses less digits than its factorization.

8342221810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 8342221810 is about 91335.7641343193. The cubic root of 8342221810 is about 2028.1212292034.

The spelling of 8342221810 in words is "eight billion, three hundred forty-two million, two hundred twenty-one thousand, eight hundred ten".