2211330340 has 24 divisors (see below), whose sum is σ = 4691671992. Its totient is φ = 875412480.

The previous prime is 2211330323. The next prime is 2211330383. The reversal of 2211330340 is 430331122.

It can be written as a sum of positive squares in 4 ways, for example, as 371949796 + 1839380544 = 19286^2 + 42888^2 .

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, 567991 + ... + 571870.

It is an arithmetic number, because the mean of its divisors is an integer number (195486333).

Almost surely, 2^2211330340 is an apocalyptic number.

2211330340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211330340 is an abundant number, since it is smaller than the sum of its proper divisors (2480341652).

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

2211330340 is a wasteful number, since it uses less digits than its factorization.

2211330340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139967 (or 1139965 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2211330340 is about 47024.7843163581. The cubic root of 2211330340 is about 1302.8203737640.

Adding to 2211330340 its reverse (430331122), we get a palindrome (2641661462).

The spelling of 2211330340 in words is "two billion, two hundred eleven million, three hundred thirty thousand, three hundred forty".