352224240321 has 16 divisors (see below), whose sum is σ = 470104363008. Its totient is φ = 234580251600.

The previous prime is 352224240307. The next prime is 352224240353. The reversal of 352224240321 is 123042422253.

It is a de Polignac number, because none of the positive numbers 2^k-352224240321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (352224240301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15087760 + ... + 15111086.

It is an arithmetic number, because the mean of its divisors is an integer number (29381522688).

Almost surely, 2^352224240321 is an apocalyptic number.

It is an amenable number.

352224240321 is a deficient number, since it is larger than the sum of its proper divisors (117880122687).

352224240321 is a wasteful number, since it uses less digits than its factorization.

352224240321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28172.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 352224240321 its reverse (123042422253), we get a palindrome (475266662574).

The spelling of 352224240321 in words is "three hundred fifty-two billion, two hundred twenty-four million, two hundred forty thousand, three hundred twenty-one".