2211340 has 12 divisors (see below), whose sum is σ = 4643856. Its totient is φ = 884528.

The previous prime is 2211329. The next prime is 2211347. The reversal of 2211340 is 431122.

It is a self number, because there is not a number n which added to its sum of digits gives 2211340.

It is not an unprimeable number, because it can be changed into a prime (2211347) 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, 55264 + ... + 55303.

It is an arithmetic number, because the mean of its divisors is an integer number (386988).

2^2211340 is an apocalyptic number.

2211340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211340 is an abundant number, since it is smaller than the sum of its proper divisors (2432516).

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

2211340 is a wasteful number, since it uses less digits than its factorization.

2211340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110576 (or 110574 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2211340 is about 1487.0574972072. The cubic root of 2211340 is about 130.2822270846.

Adding to 2211340 its reverse (431122), we get a palindrome (2642462).

The spelling of 2211340 in words is "two million, two hundred eleven thousand, three hundred forty".