352220401 has 16 divisors (see below), whose sum is σ = 386552320. Its totient is φ = 318971520.

The previous prime is 352220387. The next prime is 352220417. The reversal of 352220401 is 104022253.

It is a cyclic number.

It is not a de Polignac number, because 352220401 - 2⁵ = 352220369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (352220101) 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, 199360 + ... + 201118.

It is an arithmetic number, because the mean of its divisors is an integer number (24159520).

Almost surely, 2^352220401 is an apocalyptic number.

It is an amenable number.

352220401 is a deficient number, since it is larger than the sum of its proper divisors (34331919).

352220401 is a wasteful number, since it uses less digits than its factorization.

352220401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 352220401 is about 18767.5358265277. The cubic root of 352220401 is about 706.2170022853.

Adding to 352220401 its reverse (104022253), we get a palindrome (456242654).

The spelling of 352220401 in words is "three hundred fifty-two million, two hundred twenty thousand, four hundred one".