822127912 has 8 divisors (see below), whose sum is σ = 1541489850. Its totient is φ = 411063952.

The previous prime is 822127907. The next prime is 822127921. The reversal of 822127912 is 219721228.

It can be written as a sum of positive squares in only one way, i.e., 582063876 + 240064036 = 24126^2 + 15494^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51382987 + ... + 51383002.

Almost surely, 2^822127912 is an apocalyptic number.

It is an amenable number.

822127912 is a deficient number, since it is larger than the sum of its proper divisors (719361938).

822127912 is a wasteful number, since it uses less digits than its factorization.

822127912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102765995 (or 102765991 counting only the distinct ones).

The product of its digits is 8064, while the sum is 34.

The square root of 822127912 is about 28672.7730085529. The cubic root of 822127912 is about 936.7990990391.

The spelling of 822127912 in words is "eight hundred twenty-two million, one hundred twenty-seven thousand, nine hundred twelve".