2210740 has 24 divisors (see below), whose sum is σ = 5306112. Its totient is φ = 757920.

The previous prime is 2210729. The next prime is 2210743. The reversal of 2210740 is 470122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7756 + ... + 8035.

It is an arithmetic number, because the mean of its divisors is an integer number (221088).

2^2210740 is an apocalyptic number.

2210740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210740 is an abundant number, since it is smaller than the sum of its proper divisors (3095372).

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

2210740 is a wasteful number, since it uses less digits than its factorization.

2210740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15807 (or 15805 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 2210740 is about 1486.8557428345. The cubic root of 2210740 is about 130.2704429165.

Adding to 2210740 its reverse (470122), we get a palindrome (2680862).

The spelling of 2210740 in words is "two million, two hundred ten thousand, seven hundred forty".