2421422344 has 64 divisors (see below), whose sum is σ = 5056833600. Its totient is φ = 1077753600.

The previous prime is 2421422317. The next prime is 2421422347. The reversal of 2421422344 is 4432241242.

It is not an unprimeable number, because it can be changed into a prime (2421422347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1066042 + ... + 1068310.

It is an arithmetic number, because the mean of its divisors is an integer number (79013025).

Almost surely, 2^2421422344 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 2421422344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2528416800).

2421422344 is an abundant number, since it is smaller than the sum of its proper divisors (2635411256).

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

2421422344 is a wasteful number, since it uses less digits than its factorization.

2421422344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534 (or 2530 counting only the distinct ones).

The product of its digits is 12288, while the sum is 28.

The square root of 2421422344 is about 49207.9500081034. The cubic root of 2421422344 is about 1342.8376681260.

Adding to 2421422344 its reverse (4432241242), we get a palindrome (6853663586).

The spelling of 2421422344 in words is "two billion, four hundred twenty-one million, four hundred twenty-two thousand, three hundred forty-four".