823255083822 has 32 divisors (see below), whose sum is σ = 1749366460800. Its totient is φ = 257545610208.

The previous prime is 823255083787. The next prime is 823255083869. The reversal of 823255083822 is 228380552328.

It is a super-2 number, since 2×823255083822² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33733297 + ... + 33757692.

It is an arithmetic number, because the mean of its divisors is an integer number (54667701900).

Almost surely, 2^823255083822 is an apocalyptic number.

823255083822 is an abundant number, since it is smaller than the sum of its proper divisors (926111376978).

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

823255083822 is a wasteful number, since it uses less digits than its factorization.

823255083822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67491120.

The product of its (nonzero) digits is 1843200, while the sum is 48.

The spelling of 823255083822 in words is "eight hundred twenty-three billion, two hundred fifty-five million, eighty-three thousand, eight hundred twenty-two".