213302182 has 4 divisors (see below), whose sum is σ = 319953276. Its totient is φ = 106651090.

The previous prime is 213302171. The next prime is 213302183. The reversal of 213302182 is 281203312.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×213302182² = 90995641691922248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213302183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53325544 + ... + 53325547.

It is an arithmetic number, because the mean of its divisors is an integer number (79988319).

Almost surely, 2^213302182 is an apocalyptic number.

213302182 is a deficient number, since it is larger than the sum of its proper divisors (106651094).

213302182 is a wasteful number, since it uses less digits than its factorization.

213302182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106651093.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 213302182 is about 14604.8684348747. The cubic root of 213302182 is about 597.4915477642.

Adding to 213302182 its reverse (281203312), we get a palindrome (494505494).

The spelling of 213302182 in words is "two hundred thirteen million, three hundred two thousand, one hundred eighty-two".