213313422 has 16 divisors (see below), whose sum is σ = 487573632. Its totient is φ = 60946680.

The previous prime is 213313417. The next prime is 213313427. The reversal of 213313422 is 224313312.

It is an interprime number because it is at equal distance from previous prime (213313417) and next prime (213313427).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213313427) 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, 2539404 + ... + 2539487.

It is an arithmetic number, because the mean of its divisors is an integer number (30473352).

Almost surely, 2^213313422 is an apocalyptic number.

213313422 is an abundant number, since it is smaller than the sum of its proper divisors (274260210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213313422 is a wasteful number, since it uses less digits than its factorization.

213313422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5078903.

The product of its digits is 864, while the sum is 21.

The square root of 213313422 is about 14605.2532329981. The cubic root of 213313422 is about 597.5020425576.

Adding to 213313422 its reverse (224313312), we get a palindrome (437626734).

It can be divided in two parts, 21331 and 3422, that added together give a triangular number (24753 = T₂₂₂).

The spelling of 213313422 in words is "two hundred thirteen million, three hundred thirteen thousand, four hundred twenty-two".