214140224 has 14 divisors (see below), whose sum is σ = 424934634. Its totient is φ = 107070080.

The previous prime is 214140191. The next prime is 214140229. The reversal of 214140224 is 422041412.

It can be written as a sum of positive squares in only one way, i.e., 143041600 + 71098624 = 11960^2 + 8432^2 .

It is a junction number, because it is equal to n+sod(n) for n = 214140196 and 214140205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214140229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1672907 + ... + 1673034.

Almost surely, 2^214140224 is an apocalyptic number.

It is an amenable number.

214140224 is a deficient number, since it is larger than the sum of its proper divisors (210794410).

214140224 is an equidigital number, since it uses as much as digits as its factorization.

214140224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3345953 (or 3345943 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 214140224 is about 14633.5308111201. The cubic root of 214140224 is about 598.2730191831.

Adding to 214140224 its reverse (422041412), we get a palindrome (636181636).

The spelling of 214140224 in words is "two hundred fourteen million, one hundred forty thousand, two hundred twenty-four".