2122404 has 24 divisors (see below), whose sum is σ = 4992288. Its totient is φ = 701760.

The previous prime is 2122381. The next prime is 2122409. The reversal of 2122404 is 4042212.

It is not an unprimeable number, because it can be changed into a prime (2122409) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 999 + ... + 2289.

It is an arithmetic number, because the mean of its divisors is an integer number (208012).

2^2122404 is an apocalyptic number.

It is an amenable number.

2122404 is an abundant number, since it is smaller than the sum of its proper divisors (2869884).

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

2122404 is a wasteful number, since it uses less digits than its factorization.

2122404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435 (or 1433 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2122404 is about 1456.8472809461. The cubic root of 2122404 is about 128.5117048895.

Adding to 2122404 its reverse (4042212), we get a palindrome (6164616).

The spelling of 2122404 in words is "two million, one hundred twenty-two thousand, four hundred four".