2198056388 has 12 divisors (see below), whose sum is σ = 4196289552. Its totient is φ = 999116520.

The previous prime is 2198056369. The next prime is 2198056391. The reversal of 2198056388 is 8836508912.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24977870 + ... + 24977957.

It is an arithmetic number, because the mean of its divisors is an integer number (349690796).

Almost surely, 2^2198056388 is an apocalyptic number.

It is an amenable number.

2198056388 is a deficient number, since it is larger than the sum of its proper divisors (1998233164).

2198056388 is a wasteful number, since it uses less digits than its factorization.

2198056388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49955842 (or 49955840 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 50.

The square root of 2198056388 is about 46883.4340465798. The cubic root of 2198056388 is about 1300.2083271657.

The spelling of 2198056388 in words is "two billion, one hundred ninety-eight million, fifty-six thousand, three hundred eighty-eight".