352221003 has 12 divisors (see below), whose sum is σ = 510185520. Its totient is φ = 234157776.

The previous prime is 352220969. The next prime is 352221013. The reversal of 352221003 is 300122253.

It is not a de Polignac number, because 352221003 - 2²⁵ = 318666571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (352221013) 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 11 ways as a sum of consecutive naturals, for example, 51276 + ... + 57737.

It is an arithmetic number, because the mean of its divisors is an integer number (42515460).

Almost surely, 2^352221003 is an apocalyptic number.

352221003 is a deficient number, since it is larger than the sum of its proper divisors (157964517).

352221003 is a wasteful number, since it uses less digits than its factorization.

352221003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109378 (or 109375 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 352221003 is about 18767.5518648544. The cubic root of 352221003 is about 706.2174046303.

Adding to 352221003 its reverse (300122253), we get a palindrome (652343256).

The spelling of 352221003 in words is "three hundred fifty-two million, two hundred twenty-one thousand, three".