2764220 has 24 divisors (see below), whose sum is σ = 5948208. Its totient is φ = 1078400.

The previous prime is 2764213. The next prime is 2764247. The reversal of 2764220 is 224672.

2764220 is nontrivially palindromic in base 9.

2764220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 866 + ... + 2505.

It is an arithmetic number, because the mean of its divisors is an integer number (247842).

2^2764220 is an apocalyptic number.

2764220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2764220 is an abundant number, since it is smaller than the sum of its proper divisors (3183988).

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

2764220 is a wasteful number, since it uses less digits than its factorization.

2764220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3421 (or 3419 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 2764220 is about 1662.5943582245. The cubic root of 2764220 is about 140.3430363365.

Adding to 2764220 its reverse (224672), we get a palindrome (2988892).

The spelling of 2764220 in words is "two million, seven hundred sixty-four thousand, two hundred twenty".