2188701 has 12 divisors (see below), whose sum is σ = 3278912. Its totient is φ = 1458972.

The previous prime is 2188691. The next prime is 2188729. The reversal of 2188701 is 1078812.

2188701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2188701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2188751) 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 11 ways as a sum of consecutive naturals, for example, 4261 + ... + 4746.

2^2188701 is an apocalyptic number.

It is an amenable number.

2188701 is a deficient number, since it is larger than the sum of its proper divisors (1090211).

2188701 is an frugal number, since it uses more digits than its factorization.

2188701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9022 (or 9010 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 2188701 is about 1479.4259021661. The cubic root of 2188701 is about 129.8361050967.

The spelling of 2188701 in words is "two million, one hundred eighty-eight thousand, seven hundred one".