2213134040 has 64 divisors (see below), whose sum is σ = 5368507200. Its totient is φ = 816256512.

The previous prime is 2213134009. The next prime is 2213134061. The reversal of 2213134040 is 404313122.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 637349 + ... + 640811.

It is an arithmetic number, because the mean of its divisors is an integer number (83882925).

Almost surely, 2^2213134040 is an apocalyptic number.

2213134040 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 2213134040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2684253600).

2213134040 is an abundant number, since it is smaller than the sum of its proper divisors (3155373160).

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

2213134040 is a wasteful number, since it uses less digits than its factorization.

2213134040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4716 (or 4712 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2213134040 is about 47043.9585919382. The cubic root of 2213134040 is about 1303.1744982243.

Adding to 2213134040 its reverse (404313122), we get a palindrome (2617447162).

The spelling of 2213134040 in words is "two billion, two hundred thirteen million, one hundred thirty-four thousand, forty".