822810227 has 4 divisors (see below), whose sum is σ = 824212536. Its totient is φ = 821407920.

The previous prime is 822810223. The next prime is 822810259. The reversal of 822810227 is 722018228.

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 822810227 - 2² = 822810223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 822810193 and 822810202.

It is not an unprimeable number, because it can be changed into a prime (822810223) 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, 700274 + ... + 701447.

It is an arithmetic number, because the mean of its divisors is an integer number (206053134).

Almost surely, 2^822810227 is an apocalyptic number.

822810227 is a deficient number, since it is larger than the sum of its proper divisors (1402309).

822810227 is a wasteful number, since it uses less digits than its factorization.

822810227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402308.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 822810227 is about 28684.6688494046. The cubic root of 822810227 is about 937.0581890256.

The spelling of 822810227 in words is "eight hundred twenty-two million, eight hundred ten thousand, two hundred twenty-seven".