2116225540 has 96 divisors (see below), whose sum is σ = 5389655040. Its totient is φ = 687398400.

The previous prime is 2116225523. The next prime is 2116225549. The reversal of 2116225540 is 455226112.

It is a super-2 number, since 2×2116225540² = 8956821072296583200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2116225499 and 2116225508.

It is not an unprimeable number, because it can be changed into a prime (2116225549) 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, 76726 + ... + 100594.

It is an arithmetic number, because the mean of its divisors is an integer number (56142240).

Almost surely, 2^2116225540 is an apocalyptic number.

2116225540 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 2116225540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2694827520).

2116225540 is an abundant number, since it is smaller than the sum of its proper divisors (3273429500).

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

2116225540 is a wasteful number, since it uses less digits than its factorization.

2116225540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23933 (or 23931 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2116225540 is about 46002.4514564170. The cubic root of 2116225540 is about 1283.8688163192.

The spelling of 2116225540 in words is "two billion, one hundred sixteen million, two hundred twenty-five thousand, five hundred forty".