831222848 has 28 divisors (see below), whose sum is σ = 1689693852. Its totient is φ = 405473280.

The previous prime is 831222827. The next prime is 831222851. The reversal of 831222848 is 848222138.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 323712064 + 507510784 = 17992^2 + 22528^2 .

It is a super-2 number, since 2×831222848² = 1381862846074462208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155765 + ... + 161012.

It is an arithmetic number, because the mean of its divisors is an integer number (60346209).

Almost surely, 2^831222848 is an apocalyptic number.

It is an amenable number.

831222848 is an abundant number, since it is smaller than the sum of its proper divisors (858471004).

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

831222848 is a wasteful number, since it uses less digits than its factorization.

831222848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316830 (or 316820 counting only the distinct ones).

The product of its digits is 49152, while the sum is 38.

The square root of 831222848 is about 28830.9356074339. The cubic root of 831222848 is about 940.2409401988.

The spelling of 831222848 in words is "eight hundred thirty-one million, two hundred twenty-two thousand, eight hundred forty-eight".