823225522328 has 32 divisors (see below), whose sum is σ = 1705185216000. Its totient is φ = 369456790560.

The previous prime is 823225522289. The next prime is 823225522351.

823225522328 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×823225522328² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

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, 59200868 + ... + 59214771.

It is an arithmetic number, because the mean of its divisors is an integer number (53287038000).

Almost surely, 2^823225522328 is an apocalyptic number.

823225522328 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

823225522328 is an abundant number, since it is smaller than the sum of its proper divisors (881959693672).

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

823225522328 is a wasteful number, since it uses less digits than its factorization.

823225522328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118415735 (or 118415731 counting only the distinct ones).

The product of its digits is 921600, while the sum is 44.

The spelling of 823225522328 in words is "eight hundred twenty-three billion, two hundred twenty-five million, five hundred twenty-two thousand, three hundred twenty-eight".