822226979 has 4 divisors (see below), whose sum is σ = 939687984. Its totient is φ = 704765976.

The previous prime is 822226973. The next prime is 822227011. The reversal of 822226979 is 979622228.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 822226979 - 2⁴ = 822226963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (822226973) 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, 58730492 + ... + 58730505.

It is an arithmetic number, because the mean of its divisors is an integer number (234921996).

Almost surely, 2^822226979 is an apocalyptic number.

822226979 is a deficient number, since it is larger than the sum of its proper divisors (117461005).

822226979 is a wasteful number, since it uses less digits than its factorization.

822226979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117461004.

The product of its digits is 435456, while the sum is 47.

The square root of 822226979 is about 28674.5005013165. The cubic root of 822226979 is about 936.8367258477.

The spelling of 822226979 in words is "eight hundred twenty-two million, two hundred twenty-six thousand, nine hundred seventy-nine".