332008213 has 4 divisors (see below), whose sum is σ = 332046540. Its totient is φ = 331969888.

The previous prime is 332008189. The next prime is 332008231. The reversal of 332008213 is 312800233.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 312800233 = 787 ⋅397459.

It can be written as a sum of positive squares in 2 ways, for example, as 250683889 + 81324324 = 15833^2 + 9018^2 .

It is a cyclic number.

It is not a de Polignac number, because 332008213 - 2¹⁷ = 331877141 is a prime.

It is a super-2 number, since 2×332008213² = 220458906998906738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332008273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681 + ... + 25777.

It is an arithmetic number, because the mean of its divisors is an integer number (83011635).

Almost surely, 2^332008213 is an apocalyptic number.

It is an amenable number.

332008213 is a deficient number, since it is larger than the sum of its proper divisors (38327).

332008213 is a wasteful number, since it uses less digits than its factorization.

332008213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38326.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 332008213 is about 18221.0925303616. The cubic root of 332008213 is about 692.4412670281.

Adding to 332008213 its reverse (312800233), we get a palindrome (644808446).

The spelling of 332008213 in words is "three hundred thirty-two million, eight thousand, two hundred thirteen".