213302122 has 16 divisors (see below), whose sum is σ = 349290144. Its totient is φ = 96886000.

The previous prime is 213302119. The next prime is 213302123. The reversal of 213302122 is 221203312.

It is a junction number, because it is equal to n+sod(n) for n = 213302096 and 213302105.

It is not an unprimeable number, because it can be changed into a prime (213302123) 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 in 7 ways as a sum of consecutive naturals, for example, 39972 + ... + 44992.

It is an arithmetic number, because the mean of its divisors is an integer number (21830634).

Almost surely, 2^213302122 is an apocalyptic number.

213302122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213302122 is a deficient number, since it is larger than the sum of its proper divisors (135988022).

213302122 is a wasteful number, since it uses less digits than its factorization.

213302122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6965.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 213302122 is about 14604.8663807650. The cubic root of 213302122 is about 597.4914917411.

Adding to 213302122 its reverse (221203312), we get a palindrome (434505434).

The spelling of 213302122 in words is "two hundred thirteen million, three hundred two thousand, one hundred twenty-two".