2122118 has 8 divisors (see below), whose sum is σ = 3321648. Its totient is φ = 1014904.

The previous prime is 2122103. The next prime is 2122123. The reversal of 2122118 is 8112212.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2122096 and 2122105.

It is a congruent number.

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, 23021 + ... + 23112.

It is an arithmetic number, because the mean of its divisors is an integer number (415206).

2^2122118 is an apocalyptic number.

2122118 is a deficient number, since it is larger than the sum of its proper divisors (1199530).

2122118 is a wasteful number, since it uses less digits than its factorization.

2122118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46158.

The product of its digits is 64, while the sum is 17.

The square root of 2122118 is about 1456.7491204734. The cubic root of 2122118 is about 128.5059321904.

The spelling of 2122118 in words is "two million, one hundred twenty-two thousand, one hundred eighteen".