8446222426 has 24 divisors (see below), whose sum is σ = 13380823764. Its totient is φ = 3997804800.

The previous prime is 8446222423. The next prime is 8446222427. The reversal of 8446222426 is 6242226448.

It can be written as a sum of positive squares in 2 ways, for example, as 8409073401 + 37149025 = 91701^2 + 6095^2 .

It is not an unprimeable number, because it can be changed into a prime (8446222423) 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 11 ways as a sum of consecutive naturals, for example, 61476 + ... + 143776.

Almost surely, 2^8446222426 is an apocalyptic number.

8446222426 is a deficient number, since it is larger than the sum of its proper divisors (4934601338).

8446222426 is a wasteful number, since it uses less digits than its factorization.

8446222426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82446 (or 82423 counting only the distinct ones).

The product of its digits is 294912, while the sum is 40.

The square root of 8446222426 is about 91903.3319635366. The cubic root of 8446222426 is about 2036.5144910496.

The spelling of 8446222426 in words is "eight billion, four hundred forty-six million, two hundred twenty-two thousand, four hundred twenty-six".