2188850 has 12 divisors (see below), whose sum is σ = 4071354. Its totient is φ = 875520.

The previous prime is 2188831. The next prime is 2188861. The reversal of 2188850 is 588812.

It can be written as a sum of positive squares in 3 ways, for example, as 954529 + 1234321 = 977^2 + 1111^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21839 + ... + 21938.

2^2188850 is an apocalyptic number.

2188850 is a deficient number, since it is larger than the sum of its proper divisors (1882504).

2188850 is a wasteful number, since it uses less digits than its factorization.

2188850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43789 (or 43784 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 2188850 is about 1479.4762586808. The cubic root of 2188850 is about 129.8390513101.

The spelling of 2188850 in words is "two million, one hundred eighty-eight thousand, eight hundred fifty".