2180242 has 8 divisors (see below), whose sum is σ = 3312000. Its totient is φ = 1076244.

The previous prime is 2180221. The next prime is 2180251. The reversal of 2180242 is 2420812.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6742 + ... + 7057.

It is an arithmetic number, because the mean of its divisors is an integer number (414000).

2^2180242 is an apocalyptic number.

2180242 is a deficient number, since it is larger than the sum of its proper divisors (1131758).

2180242 is a wasteful number, since it uses less digits than its factorization.

2180242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13880.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2180242 is about 1476.5642552900. The cubic root of 2180242 is about 129.6686234780.

The spelling of 2180242 in words is "two million, one hundred eighty thousand, two hundred forty-two".