2213542356 has 48 divisors (see below), whose sum is σ = 5402947200. Its totient is φ = 704005632.

The previous prime is 2213542349. The next prime is 2213542417. The reversal of 2213542356 is 6532453122.

It is a happy number.

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, 103080 + ... + 122688.

It is an arithmetic number, because the mean of its divisors is an integer number (112561400).

Almost surely, 2^2213542356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2213542356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2701473600).

2213542356 is an abundant number, since it is smaller than the sum of its proper divisors (3189404844).

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

2213542356 is a wasteful number, since it uses less digits than its factorization.

2213542356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20048 (or 20046 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

The square root of 2213542356 is about 47048.2981201233. The cubic root of 2213542356 is about 1303.2546371085.

Adding to 2213542356 its reverse (6532453122), we get a palindrome (8745995478).

The spelling of 2213542356 in words is "two billion, two hundred thirteen million, five hundred forty-two thousand, three hundred fifty-six".