2188801 has 8 divisors (see below), whose sum is σ = 2332800. Its totient is φ = 2046528.

The previous prime is 2188799. The next prime is 2188807. The reversal of 2188801 is 1088812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2188801 - 2¹ = 2188799 is a prime.

It is an Ulam number.

It is a Duffinian number.

2188801 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2188801.

It is not an unprimeable number, because it can be changed into a prime (2188807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3060 + ... + 3706.

It is an arithmetic number, because the mean of its divisors is an integer number (291600).

2^2188801 is an apocalyptic number.

It is an amenable number.

2188801 is a deficient number, since it is larger than the sum of its proper divisors (143999).

2188801 is a wasteful number, since it uses less digits than its factorization.

2188801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863.

The product of its (nonzero) digits is 1024, while the sum is 28.

The square root of 2188801 is about 1479.4596986738. The cubic root of 2188801 is about 129.8380824359.

The spelling of 2188801 in words is "two million, one hundred eighty-eight thousand, eight hundred one".