214221244 has 12 divisors (see below), whose sum is σ = 380482984. Its totient is φ = 105511824.

The previous prime is 214221239. The next prime is 214221247. The reversal of 214221244 is 442122412.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214221247) 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 3 ways as a sum of consecutive naturals, for example, 399399 + ... + 399934.

Almost surely, 2^214221244 is an apocalyptic number.

It is an amenable number.

214221244 is a deficient number, since it is larger than the sum of its proper divisors (166261740).

214221244 is a wasteful number, since it uses less digits than its factorization.

214221244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799404 (or 799402 counting only the distinct ones).

The product of its digits is 1024, while the sum is 22.

The square root of 214221244 is about 14636.2988490943. The cubic root of 214221244 is about 598.3484619113.

Adding to 214221244 its reverse (442122412), we get a palindrome (656343656).

The spelling of 214221244 in words is "two hundred fourteen million, two hundred twenty-one thousand, two hundred forty-four".