822064340 has 12 divisors (see below), whose sum is σ = 1726335156. Its totient is φ = 328825728.

The previous prime is 822064333. The next prime is 822064361. The reversal of 822064340 is 43460228.

It can be written as a sum of positive squares in 2 ways, for example, as 392911684 + 429152656 = 19822^2 + 20716^2 .

It is a congruent number.

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, 20551589 + ... + 20551628.

It is an arithmetic number, because the mean of its divisors is an integer number (143861263).

Almost surely, 2^822064340 is an apocalyptic number.

It is an amenable number.

822064340 is an abundant number, since it is smaller than the sum of its proper divisors (904270816).

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

822064340 is a wasteful number, since it uses less digits than its factorization.

822064340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41103226 (or 41103224 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 822064340 is about 28671.6644093084. The cubic root of 822064340 is about 936.7749520556.

The spelling of 822064340 in words is "eight hundred twenty-two million, sixty-four thousand, three hundred forty".