214443412 has 6 divisors (see below), whose sum is σ = 375275978. Its totient is φ = 107221704.

The previous prime is 214443403. The next prime is 214443419. The reversal of 214443412 is 214344412.

It can be written as a sum of positive squares in only one way, i.e., 170406916 + 44036496 = 13054^2 + 6636^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214443419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26805423 + ... + 26805430.

Almost surely, 2^214443412 is an apocalyptic number.

It is an amenable number.

214443412 is a deficient number, since it is larger than the sum of its proper divisors (160832566).

214443412 is a wasteful number, since it uses less digits than its factorization.

214443412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53610857 (or 53610855 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 214443412 is about 14643.8865059792. The cubic root of 214443412 is about 598.5552387152. Note that the first 3 decimals are identical.

Adding to 214443412 its reverse (214344412), we get a palindrome (428787824).

The spelling of 214443412 in words is "two hundred fourteen million, four hundred forty-three thousand, four hundred twelve".