822752212 has 18 divisors (see below), whose sum is σ = 1519587258. Its totient is φ = 389724048.

The previous prime is 822752149. The next prime is 822752219. The reversal of 822752212 is 212257228.

It can be written as a sum of positive squares in only one way, i.e., 595164816 + 227587396 = 24396^2 + 15086^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822752219) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 283443 + ... + 286330.

Almost surely, 2^822752212 is an apocalyptic number.

It is an amenable number.

822752212 is a deficient number, since it is larger than the sum of its proper divisors (696835046).

822752212 is a wasteful number, since it uses less digits than its factorization.

822752212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569815 (or 569794 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 822752212 is about 28683.6575770943. The cubic root of 822752212 is about 937.0361650291.

The spelling of 822752212 in words is "eight hundred twenty-two million, seven hundred fifty-two thousand, two hundred twelve".