822212485 has 8 divisors (see below), whose sum is σ = 987421176. Its totient is φ = 657259200.

The previous prime is 822212471. The next prime is 822212491. The reversal of 822212485 is 584212228.

It can be written as a sum of positive squares in 4 ways, for example, as 30184036 + 792028449 = 5494^2 + 28143^2 .

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

It is not a de Polignac number, because 822212485 - 2⁵ = 822212453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 822212485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56694 + ... + 69703.

It is an arithmetic number, because the mean of its divisors is an integer number (123427647).

Almost surely, 2^822212485 is an apocalyptic number.

It is an amenable number.

822212485 is a deficient number, since it is larger than the sum of its proper divisors (165208691).

822212485 is a wasteful number, since it uses less digits than its factorization.

822212485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127703.

The product of its digits is 20480, while the sum is 34.

The square root of 822212485 is about 28674.2477669424. The cubic root of 822212485 is about 936.8312210453.

The spelling of 822212485 in words is "eight hundred twenty-two million, two hundred twelve thousand, four hundred eighty-five".