214222144 has 28 divisors (see below), whose sum is σ = 426520864. Its totient is φ = 106752384.

The previous prime is 214222103. The next prime is 214222163. The reversal of 214222144 is 441222412.

It is a super-2 number, since 2×214222144² = 91782253959913472, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14197 + ... + 25099.

It is an arithmetic number, because the mean of its divisors is an integer number (15232888).

Almost surely, 2^214222144 is an apocalyptic number.

It is an amenable number.

214222144 is a deficient number, since it is larger than the sum of its proper divisors (212298720).

214222144 is a wasteful number, since it uses less digits than its factorization.

214222144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11222 (or 11212 counting only the distinct ones).

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

The square root of 214222144 is about 14636.3295945397. The cubic root of 214222144 is about 598.3492998501.

Adding to 214222144 its reverse (441222412), we get a palindrome (655444556).

The spelling of 214222144 in words is "two hundred fourteen million, two hundred twenty-two thousand, one hundred forty-four".