1022208872 has 32 divisors (see below), whose sum is σ = 2010096000. Its totient is φ = 486408384.

The previous prime is 1022208839. The next prime is 1022208881. The reversal of 1022208872 is 2788022201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22658 + ... + 50574.

It is an arithmetic number, because the mean of its divisors is an integer number (62815500).

Almost surely, 2^1022208872 is an apocalyptic number.

It is an amenable number.

1022208872 is a deficient number, since it is larger than the sum of its proper divisors (987887128).

1022208872 is a wasteful number, since it uses less digits than its factorization.

1022208872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28145 (or 28141 counting only the distinct ones).

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

The square root of 1022208872 is about 31972.0013762041. The cubic root of 1022208872 is about 1007.3488198882.

The spelling of 1022208872 in words is "one billion, twenty-two million, two hundred eight thousand, eight hundred seventy-two".