825894822444 has 24 divisors (see below), whose sum is σ = 1928332047600. Its totient is φ = 275120541504.

The previous prime is 825894822433. The next prime is 825894822497. The reversal of 825894822444 is 444228498528.

It is a super-2 number, since 2×825894822444² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22197219 + ... + 22234394.

It is an arithmetic number, because the mean of its divisors is an integer number (80347168650).

Almost surely, 2^825894822444 is an apocalyptic number.

It is an amenable number.

825894822444 is an abundant number, since it is smaller than the sum of its proper divisors (1102437225156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

825894822444 is a wasteful number, since it uses less digits than its factorization.

825894822444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44433169 (or 44433167 counting only the distinct ones).

The product of its digits is 47185920, while the sum is 60.

The spelling of 825894822444 in words is "eight hundred twenty-five billion, eight hundred ninety-four million, eight hundred twenty-two thousand, four hundred forty-four".