2197125792 has 36 divisors (see below), whose sum is σ = 6248077290. Its totient is φ = 732375168.

The previous prime is 2197125773. The next prime is 2197125797. The reversal of 2197125792 is 2975217912.

2197125792 is a `hidden beast` number, since 2 + 1 + 9 + 71 + 2 + 579 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2060796816 + 136328976 = 45396^2 + 11676^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2197125797) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3814167 + ... + 3814742.

Almost surely, 2^2197125792 is an apocalyptic number.

It is an amenable number.

2197125792 is an abundant number, since it is smaller than the sum of its proper divisors (4050951498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2197125792 is a wasteful number, since it uses less digits than its factorization.

2197125792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7628925 (or 7628914 counting only the distinct ones).

The product of its digits is 158760, while the sum is 45.

The square root of 2197125792 is about 46873.5084242688. The cubic root of 2197125792 is about 1300.0248105719.

The spelling of 2197125792 in words is "two billion, one hundred ninety-seven million, one hundred twenty-five thousand, seven hundred ninety-two".