2211313340 has 48 divisors (see below), whose sum is σ = 4748913792. Its totient is φ = 864546816.

The previous prime is 2211313303. The next prime is 2211313361. The reversal of 2211313340 is 433131122.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1143014 + ... + 1144946.

It is an arithmetic number, because the mean of its divisors is an integer number (98935704).

Almost surely, 2^2211313340 is an apocalyptic number.

2211313340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211313340 is an abundant number, since it is smaller than the sum of its proper divisors (2537600452).

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

2211313340 is a wasteful number, since it uses less digits than its factorization.

2211313340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3206 (or 3204 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2211313340 is about 47024.6035602641. The cubic root of 2211313340 is about 1302.8170352001.

Adding to 2211313340 its reverse (433131122), we get a palindrome (2644444462).

It can be divided in two parts, 22113 and 13340, that added together give a palindrome (35453).

The spelling of 2211313340 in words is "two billion, two hundred eleven million, three hundred thirteen thousand, three hundred forty".