213340422 has 8 divisors (see below), whose sum is σ = 426680856. Its totient is φ = 71113472.

The previous prime is 213340411. The next prime is 213340427. The reversal of 213340422 is 224043312.

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

213340422 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213340427) 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, 17778363 + ... + 17778374.

It is an arithmetic number, because the mean of its divisors is an integer number (53335107).

Almost surely, 2^213340422 is an apocalyptic number.

213340422 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.

213340422 is a wasteful number, since it uses less digits than its factorization.

213340422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35556742.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 213340422 is about 14606.1775287034. The cubic root of 213340422 is about 597.5272509644.

Adding to 213340422 its reverse (224043312), we get a palindrome (437383734).

The spelling of 213340422 in words is "two hundred thirteen million, three hundred forty thousand, four hundred twenty-two".