2188430870 has 32 divisors (see below), whose sum is σ = 4001265216. Its totient is φ = 861616000.

The previous prime is 2188430869. The next prime is 2188430917. The reversal of 2188430870 is 780348812.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 495512 + ... + 499908.

It is an arithmetic number, because the mean of its divisors is an integer number (125039538).

Almost surely, 2^2188430870 is an apocalyptic number.

2188430870 is a deficient number, since it is larger than the sum of its proper divisors (1812834346).

2188430870 is a wasteful number, since it uses less digits than its factorization.

2188430870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5176.

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 2188430870 is about 46780.6676951067. The cubic root of 2188430870 is about 1298.3076340923.

The spelling of 2188430870 in words is "two billion, one hundred eighty-eight million, four hundred thirty thousand, eight hundred seventy".