214231444 has 24 divisors (see below), whose sum is σ = 428839488. Its totient is φ = 91732800.

The previous prime is 214231397. The next prime is 214231447. The reversal of 214231444 is 444132412.

It is a super-2 number, since 2×214231444² = 91790223196650272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214231447) 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 7 ways as a sum of consecutive naturals, for example, 37992 + ... + 43264.

It is an arithmetic number, because the mean of its divisors is an integer number (17868312).

Almost surely, 2^214231444 is an apocalyptic number.

It is an amenable number.

214231444 is an abundant number, since it is smaller than the sum of its proper divisors (214608044).

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

214231444 is a wasteful number, since it uses less digits than its factorization.

214231444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6735 (or 6733 counting only the distinct ones).

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

The square root of 214231444 is about 14636.6472936940. The cubic root of 214231444 is about 598.3579584133.

Adding to 214231444 its reverse (444132412), we get a palindrome (658363856).

The spelling of 214231444 in words is "two hundred fourteen million, two hundred thirty-one thousand, four hundred forty-four".