352244721 has 8 divisors (see below), whose sum is σ = 473245344. Its totient is φ = 233036960.

The previous prime is 352244713. The next prime is 352244741. The reversal of 352244721 is 127442253.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 352244721 - 2³ = 352244713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (352244741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447756 + ... + 448541.

It is an arithmetic number, because the mean of its divisors is an integer number (59155668).

Almost surely, 2^352244721 is an apocalyptic number.

It is an amenable number.

352244721 is a deficient number, since it is larger than the sum of its proper divisors (121000623).

352244721 is a wasteful number, since it uses less digits than its factorization.

352244721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896431.

The product of its digits is 13440, while the sum is 30.

The square root of 352244721 is about 18768.1837427067. The cubic root of 352244721 is about 706.2332561253.

Adding to 352244721 its reverse (127442253), we get a palindrome (479686974).

The spelling of 352244721 in words is "three hundred fifty-two million, two hundred forty-four thousand, seven hundred twenty-one".