352216 has 8 divisors (see below), whose sum is σ = 660420. Its totient is φ = 176104.

The previous prime is 352201. The next prime is 352217. The reversal of 352216 is 612253.

It is a happy number.

352216 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×352216² = 248112221312, which contains 22 as substring.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 352193 and 352202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352217) by changing a digit.

352216 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22006 + ... + 22021.

2³⁵²²¹⁶ is an apocalyptic number.

It is an amenable number.

352216 is a deficient number, since it is larger than the sum of its proper divisors (308204).

352216 is a wasteful number, since it uses less digits than its factorization.

352216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44033 (or 44029 counting only the distinct ones).

The product of its digits is 360, while the sum is 19.

The square root of 352216 is about 593.4778850134. The cubic root of 352216 is about 70.6214060875.

Adding to 352216 its reverse (612253), we get a palindrome (964469).

The spelling of 352216 in words is "three hundred fifty-two thousand, two hundred sixteen".