2188708001 has 4 divisors (see below), whose sum is σ = 2200935600. Its totient is φ = 2176480404.

The previous prime is 2188707931. The next prime is 2188708013. The reversal of 2188708001 is 1008078812.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2188708001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2188708031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6113531 + ... + 6113888.

It is an arithmetic number, because the mean of its divisors is an integer number (550233900).

Almost surely, 2^2188708001 is an apocalyptic number.

It is an amenable number.

2188708001 is a deficient number, since it is larger than the sum of its proper divisors (12227599).

2188708001 is a wasteful number, since it uses less digits than its factorization.

2188708001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12227598.

The product of its (nonzero) digits is 7168, while the sum is 35.

The square root of 2188708001 is about 46783.6296261844. The cubic root of 2188708001 is about 1298.3624353217.

The spelling of 2188708001 in words is "two billion, one hundred eighty-eight million, seven hundred eight thousand, one".