844020226845325 has 6 divisors (see below), whose sum is σ = 1046585081288234. Its totient is φ = 675216181476240.

The previous prime is 844020226845319. The next prime is 844020226845331. The reversal of 844020226845325 is 523548622020448.

It is an interprime number because it is at equal distance from previous prime (844020226845319) and next prime (844020226845331).

It can be written as a sum of positive squares in 3 ways, for example, as 274029718068649 + 569990508776676 = 16553843^2 + 23874474^2 .

It is not a de Polignac number, because 844020226845325 - 2³ = 844020226845317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16880404536882 + ... + 16880404536931.

Almost surely, 2^{844020226845325} is an apocalyptic number.

It is an amenable number.

844020226845325 is a deficient number, since it is larger than the sum of its proper divisors (202564854442909).

844020226845325 is a wasteful number, since it uses less digits than its factorization.

844020226845325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33760809073823 (or 33760809073818 counting only the distinct ones).

The product of its (nonzero) digits is 29491200, while the sum is 55.

The spelling of 844020226845325 in words is "eight hundred forty-four trillion, twenty billion, two hundred twenty-six million, eight hundred forty-five thousand, three hundred twenty-five".