2222531616660 has 96 divisors (see below), whose sum is σ = 6498207555840. Its totient is φ = 566509396992.

The previous prime is 2222531616653. The next prime is 2222531616661. The reversal of 2222531616660 is 666161352222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222531616661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1408504 + ... + 2535536.

It is an arithmetic number, because the mean of its divisors is an integer number (67689662040).

Almost surely, 2^{2222531616660} is an apocalyptic number.

2222531616660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2222531616660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3249103777920).

2222531616660 is an abundant number, since it is smaller than the sum of its proper divisors (4275675939180).

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

2222531616660 is a wasteful number, since it uses less digits than its factorization.

2222531616660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128497 (or 1128495 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

Adding to 2222531616660 its reverse (666161352222), we get a palindrome (2888692968882).

The spelling of 2222531616660 in words is "two trillion, two hundred twenty-two billion, five hundred thirty-one million, six hundred sixteen thousand, six hundred sixty".