422844248333329 has 9 divisors (see below), whose sum is σ = 426761405468433. Its totient is φ = 418962722479632.

The previous prime is 422844248333197. The next prime is 422844248333363. The reversal of 422844248333329 is 923333842448224.

The square root of 422844248333329 is 20563177.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 20763469323025 + 402080779010304 = 4556695^2 + 20051952^2 .

It is not a de Polignac number, because 422844248333329 - 2²¹ = 422844246236177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422844248333029) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2241291967 + ... + 2241480619.

It is an arithmetic number, because the mean of its divisors is an integer number (47417933940937).

Almost surely, 2^{422844248333329} is an apocalyptic number.

422844248333329 is the 20563177-th square number.

422844248333329 is the 10281589-th centered octagonal number.

It is an amenable number.

422844248333329 is a deficient number, since it is larger than the sum of its proper divisors (3917157135104).

422844248333329 is an frugal number, since it uses more digits than its factorization.

422844248333329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377524 (or 188762 counting only the distinct ones).

The product of its digits is 191102976, while the sum is 61.

The spelling of 422844248333329 in words is "four hundred twenty-two trillion, eight hundred forty-four billion, two hundred forty-eight million, three hundred thirty-three thousand, three hundred twenty-nine".