822226392289 has 3 divisors (see below), whose sum is σ = 822227299057. Its totient is φ = 822225485522.

The previous prime is 822226392257. The next prime is 822226392313. The reversal of 822226392289 is 982293622228.

The square root of 822226392289 is 906767.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 822226392289 - 2⁵ = 822226392257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (822226396289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 453384 + ... + 1360150.

Almost surely, 2^822226392289 is an apocalyptic number.

822226392289 is the 906767-th square number.

822226392289 is the 453384-th centered octagonal number.

It is an amenable number.

822226392289 is a deficient number, since it is larger than the sum of its proper divisors (906768).

822226392289 is an frugal number, since it uses more digits than its factorization.

822226392289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813534 (or 906767 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 55.

The spelling of 822226392289 in words is "eight hundred twenty-two billion, two hundred twenty-six million, three hundred ninety-two thousand, two hundred eighty-nine".