6446226446 has 16 divisors (see below), whose sum is σ = 10555107840. Its totient is φ = 2928231480.

The previous prime is 6446226439. The next prime is 6446226499.

6446226446 is nontrivially palindromic in base 10.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6446226397 and 6446226406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58046 + ... + 127521.

It is an arithmetic number, because the mean of its divisors is an integer number (659694240).

Almost surely, 2^6446226446 is an apocalyptic number.

6446226446 is a deficient number, since it is larger than the sum of its proper divisors (4108881394).

6446226446 is a wasteful number, since it uses less digits than its factorization.

6446226446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187159.

The product of its digits is 1327104, while the sum is 44.

The square root of 6446226446 is about 80288.3954628563. The cubic root of 6446226446 is about 1861.0949006958.

The spelling of 6446226446 in words is "six billion, four hundred forty-six million, two hundred twenty-six thousand, four hundred forty-six".