2146220 has 24 divisors (see below), whose sum is σ = 4536000. Its totient is φ = 852992.

The previous prime is 2146219. The next prime is 2146231. The reversal of 2146220 is 226412.

2146220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4556 + ... + 5004.

It is an arithmetic number, because the mean of its divisors is an integer number (189000).

2^2146220 is an apocalyptic number.

2146220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2146220 is an abundant number, since it is smaller than the sum of its proper divisors (2389780).

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

2146220 is a wasteful number, since it uses less digits than its factorization.

2146220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2146220 is about 1464.9982935144. The cubic root of 2146220 is about 128.9906048483.

Adding to 2146220 its product of nonzero digits (192), we get a palindrome (2146412).

The spelling of 2146220 in words is "two million, one hundred forty-six thousand, two hundred twenty".