3122251242 has 128 divisors (see below), whose sum is σ = 7513178112. Its totient is φ = 854884800.

The previous prime is 3122251217. The next prime is 3122251243. The reversal of 3122251242 is 2421522213.

It is not an unprimeable number, because it can be changed into a prime (3122251243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2022723 + ... + 2024265.

It is an arithmetic number, because the mean of its divisors is an integer number (58696704).

Almost surely, 2^3122251242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3122251242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3756589056).

3122251242 is an abundant number, since it is smaller than the sum of its proper divisors (4390926870).

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

3122251242 is a wasteful number, since it uses less digits than its factorization.

3122251242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656.

The product of its digits is 1920, while the sum is 24.

The square root of 3122251242 is about 55877.1083897512. The cubic root of 3122251242 is about 1461.5800811128.

Adding to 3122251242 its reverse (2421522213), we get a palindrome (5543773455).

The spelling of 3122251242 in words is "three billion, one hundred twenty-two million, two hundred fifty-one thousand, two hundred forty-two".