802226444449 has 4 divisors (see below), whose sum is σ = 802235550340. Its totient is φ = 802217338560.

The previous prime is 802226444443. The next prime is 802226444473. The reversal of 802226444449 is 944444622208.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 614862993424 + 187363451025 = 784132^2 + 432855^2 .

It is a cyclic number.

It is not a de Polignac number, because 802226444449 - 2¹¹ = 802226442401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (802226444443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4419492 + ... + 4597429.

It is an arithmetic number, because the mean of its divisors is an integer number (200558887585).

Almost surely, 2^802226444449 is an apocalyptic number.

It is an amenable number.

802226444449 is a deficient number, since it is larger than the sum of its proper divisors (9105891).

802226444449 is an equidigital number, since it uses as much as digits as its factorization.

802226444449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9105890.

The product of its (nonzero) digits is 3538944, while the sum is 49.

The spelling of 802226444449 in words is "eight hundred two billion, two hundred twenty-six million, four hundred forty-four thousand, four hundred forty-nine".