822077140 has 12 divisors (see below), whose sum is σ = 1726362036. Its totient is φ = 328830848.

The previous prime is 822077111. The next prime is 822077167. The reversal of 822077140 is 41770228.

It can be written as a sum of positive squares in 2 ways, for example, as 92428996 + 729648144 = 9614^2 + 27012^2 .

It is a super-2 number, since 2×822077140² = 1351621648221159200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20551909 + ... + 20551948.

It is an arithmetic number, because the mean of its divisors is an integer number (143863503).

Almost surely, 2^822077140 is an apocalyptic number.

It is an amenable number.

822077140 is an abundant number, since it is smaller than the sum of its proper divisors (904284896).

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

822077140 is a wasteful number, since it uses less digits than its factorization.

822077140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41103866 (or 41103864 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 822077140 is about 28671.8876253378. The cubic root of 822077140 is about 936.7798140664.

The spelling of 822077140 in words is "eight hundred twenty-two million, seventy-seven thousand, one hundred forty".