2213113140 has 144 divisors (see below), whose sum is σ = 7691523840. Its totient is φ = 504576000.

The previous prime is 2213113139. The next prime is 2213113151. The reversal of 2213113140 is 413113122.

2213113140 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 551140 + ... + 555140.

It is an arithmetic number, because the mean of its divisors is an integer number (53413360).

Almost surely, 2^2213113140 is an apocalyptic number.

2213113140 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 2213113140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3845761920).

2213113140 is an abundant number, since it is smaller than the sum of its proper divisors (5478410700).

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

2213113140 is a wasteful number, since it uses less digits than its factorization.

2213113140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462 (or 4457 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2213113140 is about 47043.7364587466. The cubic root of 2213113140 is about 1303.1703959825.

Subtracting from 2213113140 its sum of digits (18), we obtain a palindrome (2213113122).

Adding to 2213113140 its reverse (413113122), we get a palindrome (2626226262).

The spelling of 2213113140 in words is "two billion, two hundred thirteen million, one hundred thirteen thousand, one hundred forty".