214431232 has 20 divisors (see below), whose sum is σ = 428444676. Its totient is φ = 107215360.

The previous prime is 214431221. The next prime is 214431233. The reversal of 214431232 is 232134412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214431233) 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 as a sum of consecutive naturals, namely, 208894 + ... + 209917.

Almost surely, 2^214431232 is an apocalyptic number.

It is an amenable number.

214431232 is a deficient number, since it is larger than the sum of its proper divisors (214013444).

214431232 is an frugal number, since it uses more digits than its factorization.

214431232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418829 (or 418813 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 214431232 is about 14643.4706268698. The cubic root of 214431232 is about 598.5439062137.

Adding to 214431232 its reverse (232134412), we get a palindrome (446565644).

The spelling of 214431232 in words is "two hundred fourteen million, four hundred thirty-one thousand, two hundred thirty-two".