2162258 has 16 divisors (see below), whose sum is σ = 3798144. Its totient is φ = 903840.

The previous prime is 2162249. The next prime is 2162263. The reversal of 2162258 is 8522612.

2162258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1310 + ... + 2457.

It is an arithmetic number, because the mean of its divisors is an integer number (237384).

2^2162258 is an apocalyptic number.

2162258 is a deficient number, since it is larger than the sum of its proper divisors (1635886).

2162258 is a wasteful number, since it uses less digits than its factorization.

2162258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3817.

The product of its digits is 1920, while the sum is 26.

The square root of 2162258 is about 1470.4618322146. The cubic root of 2162258 is about 129.3111093591.

The spelling of 2162258 in words is "two million, one hundred sixty-two thousand, two hundred fifty-eight".