2355221344 has 96 divisors (see below), whose sum is σ = 5855141376. Its totient is φ = 908666880.

The previous prime is 2355221333. The next prime is 2355221353. The reversal of 2355221344 is 4431225532.

It is a congruent number.

It is an unprimeable number.

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, 74139 + ... + 101029.

It is an arithmetic number, because the mean of its divisors is an integer number (60991056).

Almost surely, 2^2355221344 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 2355221344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2927570688).

2355221344 is an abundant number, since it is smaller than the sum of its proper divisors (3499920032).

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

2355221344 is a wasteful number, since it uses less digits than its factorization.

2355221344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26948 (or 26940 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 2355221344 is about 48530.6227448196. The cubic root of 2355221344 is about 1330.4868182273.

Adding to 2355221344 its reverse (4431225532), we get a palindrome (6786446876).

The spelling of 2355221344 in words is "two billion, three hundred fifty-five million, two hundred twenty-one thousand, three hundred forty-four".