1022516812 has 6 divisors (see below), whose sum is σ = 1789404428. Its totient is φ = 511258404.

The previous prime is 1022516809. The next prime is 1022516827. The reversal of 1022516812 is 2186152201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127814598 + ... + 127814605.

Almost surely, 2^1022516812 is an apocalyptic number.

It is an amenable number.

1022516812 is a deficient number, since it is larger than the sum of its proper divisors (766887616).

1022516812 is a wasteful number, since it uses less digits than its factorization.

1022516812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255629207 (or 255629205 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 1022516812 is about 31976.8167896681. The cubic root of 1022516812 is about 1007.4499642041.

The spelling of 1022516812 in words is "one billion, twenty-two million, five hundred sixteen thousand, eight hundred twelve".