2122146 has 32 divisors (see below), whose sum is σ = 5080320. Its totient is φ = 652752.

The previous prime is 2122139. The next prime is 2122151. The reversal of 2122146 is 6412212.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 15 ways as a sum of consecutive naturals, for example, 810 + ... + 2213.

It is an arithmetic number, because the mean of its divisors is an integer number (158760).

2^2122146 is an apocalyptic number.

2122146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2122146 is an abundant number, since it is smaller than the sum of its proper divisors (2958174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2122146 is a wasteful number, since it uses less digits than its factorization.

2122146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047 (or 3041 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 2122146 is about 1456.7587308817. The cubic root of 2122146 is about 128.5064973727.

Adding to 2122146 its reverse (6412212), we get a palindrome (8534358).

The spelling of 2122146 in words is "two million, one hundred twenty-two thousand, one hundred forty-six".