822782212213 has 8 divisors (see below), whose sum is σ = 887995225656. Its totient is φ = 757843780800.

The previous prime is 822782212211. The next prime is 822782212223. The reversal of 822782212213 is 312212287228.

It can be written as a sum of positive squares in 4 ways, for example, as 102373924 + 822679838289 = 10118^2 + 907017^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 822782212213 - 2¹ = 822782212211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822782212211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68639278 + ... + 68651263.

It is an arithmetic number, because the mean of its divisors is an integer number (110999403207).

Almost surely, 2^822782212213 is an apocalyptic number.

It is an amenable number.

822782212213 is a deficient number, since it is larger than the sum of its proper divisors (65213013443).

822782212213 is a wasteful number, since it uses less digits than its factorization.

822782212213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137291015.

The product of its digits is 86016, while the sum is 40.

The spelling of 822782212213 in words is "eight hundred twenty-two billion, seven hundred eighty-two million, two hundred twelve thousand, two hundred thirteen".