822707228 has 12 divisors (see below), whose sum is σ = 1645414512. Its totient is φ = 352588800.

The previous prime is 822707227. The next prime is 822707279.

822707228 is nontrivially palindromic in base 10.

822707228 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 822707191 and 822707200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822707227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14691173 + ... + 14691228.

It is an arithmetic number, because the mean of its divisors is an integer number (137117876).

Almost surely, 2^822707228 is an apocalyptic number.

It is an amenable number.

822707228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

822707228 is a wasteful number, since it uses less digits than its factorization.

822707228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29382412 (or 29382410 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 822707228 is about 28682.8734264892. The cubic root of 822707228 is about 937.0190872251.

It can be divided in two parts, 82270 and 7228, that added together give a palindrome (89498).

The spelling of 822707228 in words is "eight hundred twenty-two million, seven hundred seven thousand, two hundred twenty-eight".