213343422 has 8 divisors (see below), whose sum is σ = 426686856. Its totient is φ = 71114472.

The previous prime is 213343409. The next prime is 213343447. The reversal of 213343422 is 224343312.

It is a sphenic number, since it is the product of 3 distinct primes.

213343422 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 213343392 and 213343401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17778613 + ... + 17778624.

It is an arithmetic number, because the mean of its divisors is an integer number (53335857).

Almost surely, 2^213343422 is an apocalyptic number.

213343422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

213343422 is a wasteful number, since it uses less digits than its factorization.

213343422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35557242.

The product of its digits is 3456, while the sum is 24.

The square root of 213343422 is about 14606.2802246157. The cubic root of 213343422 is about 597.5300517672.

Adding to 213343422 its reverse (224343312), we get a palindrome (437686734).

The spelling of 213343422 in words is "two hundred thirteen million, three hundred forty-three thousand, four hundred twenty-two".