2122306242 has 48 divisors (see below), whose sum is σ = 4944515520. Its totient is φ = 594899136.

The previous prime is 2122306229. The next prime is 2122306243. The reversal of 2122306242 is 2426032212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2122306243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108984 + ... + 126972.

It is an arithmetic number, because the mean of its divisors is an integer number (103010740).

Almost surely, 2^2122306242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122306242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2472257760).

2122306242 is an abundant number, since it is smaller than the sum of its proper divisors (2822209278).

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

2122306242 is a wasteful number, since it uses less digits than its factorization.

2122306242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18107 (or 18054 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2122306242 is about 46068.4951132550. The cubic root of 2122306242 is about 1285.0973177468.

Adding to 2122306242 its reverse (2426032212), we get a palindrome (4548338454).

The spelling of 2122306242 in words is "two billion, one hundred twenty-two million, three hundred six thousand, two hundred forty-two".