822216922 has 8 divisors (see below), whose sum is σ = 1235464596. Its totient is φ = 410395392.

The previous prime is 822216907. The next prime is 822216973. The reversal of 822216922 is 229612228.

It can be written as a sum of positive squares in 2 ways, for example, as 692689761 + 129527161 = 26319^2 + 11381^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355093 + ... + 357400.

Almost surely, 2^822216922 is an apocalyptic number.

822216922 is a deficient number, since it is larger than the sum of its proper divisors (413247674).

822216922 is a wasteful number, since it uses less digits than its factorization.

822216922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713072.

The product of its digits is 13824, while the sum is 34.

The square root of 822216922 is about 28674.3251359121. The cubic root of 822216922 is about 936.8329062190.

The spelling of 822216922 in words is "eight hundred twenty-two million, two hundred sixteen thousand, nine hundred twenty-two".