214421334 has 8 divisors (see below), whose sum is σ = 428842680. Its totient is φ = 71473776.

The previous prime is 214421329. The next prime is 214421351. The reversal of 214421334 is 433124412.

214421334 = 2423² + 2424² + ... + 2458².

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

214421334 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17868439 + ... + 17868450.

It is an arithmetic number, because the mean of its divisors is an integer number (53605335).

Almost surely, 2^214421334 is an apocalyptic number.

214421334 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.

214421334 is a wasteful number, since it uses less digits than its factorization.

214421334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35736894.

The product of its digits is 2304, while the sum is 24.

The square root of 214421334 is about 14643.1326566415. The cubic root of 214421334 is about 598.5346966120.

Adding to 214421334 its reverse (433124412), we get a palindrome (647545746).

The spelling of 214421334 in words is "two hundred fourteen million, four hundred twenty-one thousand, three hundred thirty-four".