2211540330 has 16 divisors (see below), whose sum is σ = 5307696864. Its totient is φ = 589744080.

The previous prime is 2211540311. The next prime is 2211540337. The reversal of 2211540330 is 330451122.

2211540330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2211540297 and 2211540306.

It is not an unprimeable number, because it can be changed into a prime (2211540337) 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, 36858976 + ... + 36859035.

It is an arithmetic number, because the mean of its divisors is an integer number (331731054).

Almost surely, 2^2211540330 is an apocalyptic number.

2211540330 is an abundant number, since it is smaller than the sum of its proper divisors (3096156534).

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

2211540330 is a wasteful number, since it uses less digits than its factorization.

2211540330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73718021.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2211540330 is about 47027.0170221331. The cubic root of 2211540330 is about 1302.8616114730.

Adding to 2211540330 its reverse (330451122), we get a palindrome (2541991452).

The spelling of 2211540330 in words is "two billion, two hundred eleven million, five hundred forty thousand, three hundred thirty".