2311122664 has 64 divisors (see below), whose sum is σ = 4826096640. Its totient is φ = 1032545280.

The previous prime is 2311122641. The next prime is 2311122673. The reversal of 2311122664 is 4662211132.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218277 + ... + 228619.

It is an arithmetic number, because the mean of its divisors is an integer number (75407760).

Almost surely, 2^2311122664 is an apocalyptic number.

It is an amenable number.

2311122664 is an abundant number, since it is smaller than the sum of its proper divisors (2514973976).

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

2311122664 is a wasteful number, since it uses less digits than its factorization.

2311122664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10450 (or 10446 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 2311122664 is about 48074.1371633439. The cubic root of 2311122664 is about 1322.1305248222.

Adding to 2311122664 its reverse (4662211132), we get a palindrome (6973333796).

The spelling of 2311122664 in words is "two billion, three hundred eleven million, one hundred twenty-two thousand, six hundred sixty-four".