2104220 has 12 divisors (see below), whose sum is σ = 4418904. Its totient is φ = 841680.

The previous prime is 2104217. The next prime is 2104229. The reversal of 2104220 is 224012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52586 + ... + 52625.

It is an arithmetic number, because the mean of its divisors is an integer number (368242).

2^2104220 is an apocalyptic number.

2104220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2104220 is an abundant number, since it is smaller than the sum of its proper divisors (2314684).

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

2104220 is a wasteful number, since it uses less digits than its factorization.

2104220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105220 (or 105218 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2104220 is about 1450.5929821973. The cubic root of 2104220 is about 128.1436375822.

Adding to 2104220 its reverse (224012), we get a palindrome (2328232).

The spelling of 2104220 in words is "two million, one hundred four thousand, two hundred twenty".