822378264 has 32 divisors (see below), whose sum is σ = 2176884720. Its totient is φ = 258000896.

The previous prime is 822378241. The next prime is 822378283. The reversal of 822378264 is 462873228.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1007409 + ... + 1008224.

Almost surely, 2^822378264 is an apocalyptic number.

It is an amenable number.

822378264 is an abundant number, since it is smaller than the sum of its proper divisors (1354506456).

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

822378264 is a wasteful number, since it uses less digits than its factorization.

822378264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015659 (or 2015655 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 822378264 is about 28677.1383509582. The cubic root of 822378264 is about 936.8941798339.

The spelling of 822378264 in words is "eight hundred twenty-two million, three hundred seventy-eight thousand, two hundred sixty-four".