822404227 has 8 divisors (see below), whose sum is σ = 868190400. Its totient is φ = 776868264.

The previous prime is 822404207. The next prime is 822404251. The reversal of 822404227 is 722404228.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-822404227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (822404207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55777 + ... + 68962.

It is an arithmetic number, because the mean of its divisors is an integer number (108523800).

Almost surely, 2^822404227 is an apocalyptic number.

822404227 is a deficient number, since it is larger than the sum of its proper divisors (45786173).

822404227 is a wasteful number, since it uses less digits than its factorization.

822404227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125105.

The product of its (nonzero) digits is 14336, while the sum is 31.

The square root of 822404227 is about 28677.5910250495. The cubic root of 822404227 is about 936.9040391767.

Subtracting from 822404227 its reverse (722404228), we obtain a palindrome (99999999).

The spelling of 822404227 in words is "eight hundred twenty-two million, four hundred four thousand, two hundred twenty-seven".