2213722842 has 24 divisors (see below), whose sum is σ = 4523678016. Its totient is φ = 722203128.

The previous prime is 2213722789. The next prime is 2213722939. The reversal of 2213722842 is 2482273122.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70258 + ... + 96765.

It is an arithmetic number, because the mean of its divisors is an integer number (188486584).

Almost surely, 2^2213722842 is an apocalyptic number.

2213722842 is an abundant number, since it is smaller than the sum of its proper divisors (2309955174).

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

2213722842 is a wasteful number, since it uses less digits than its factorization.

2213722842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167122 (or 167075 counting only the distinct ones).

The product of its digits is 21504, while the sum is 33.

The square root of 2213722842 is about 47050.2161737861. The cubic root of 2213722842 is about 1303.2900573815.

Adding to 2213722842 its reverse (2482273122), we get a palindrome (4695995964).

The spelling of 2213722842 in words is "two billion, two hundred thirteen million, seven hundred twenty-two thousand, eight hundred forty-two".