214543444 has 6 divisors (see below), whose sum is σ = 375451034. Its totient is φ = 107271720.

The previous prime is 214543387. The next prime is 214543457. The reversal of 214543444 is 444345412.

It can be written as a sum of positive squares in only one way, i.e., 170824900 + 43718544 = 13070^2 + 6612^2 .

It is a super-2 number, since 2×214543444² = 92057778726762272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 26817927 + ... + 26817934.

Almost surely, 2^214543444 is an apocalyptic number.

It is an amenable number.

214543444 is a deficient number, since it is larger than the sum of its proper divisors (160907590).

214543444 is a wasteful number, since it uses less digits than its factorization.

214543444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53635865 (or 53635863 counting only the distinct ones).

The product of its digits is 30720, while the sum is 31.

The square root of 214543444 is about 14647.3015944917. The cubic root of 214543444 is about 598.6482941426.

Adding to 214543444 its reverse (444345412), we get a palindrome (658888856).

The spelling of 214543444 in words is "two hundred fourteen million, five hundred forty-three thousand, four hundred forty-four".