214226281 has 4 divisors (see below), whose sum is σ = 214257492. Its totient is φ = 214195072.

The previous prime is 214226261. The next prime is 214226291. The reversal of 214226281 is 182622412.

214226281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 52707600 + 161518681 = 7260^2 + 12709^2 .

It is a cyclic number.

It is not a de Polignac number, because 214226281 - 2¹⁵ = 214193513 is a prime.

It is a super-2 number, since 2×214226281² = 91785798942181922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214226261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316 + ... + 20701.

It is an arithmetic number, because the mean of its divisors is an integer number (53564373).

Almost surely, 2^214226281 is an apocalyptic number.

It is an amenable number.

214226281 is a deficient number, since it is larger than the sum of its proper divisors (31211).

214226281 is a wasteful number, since it uses less digits than its factorization.

214226281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31210.

The product of its digits is 3072, while the sum is 28.

The square root of 214226281 is about 14636.4709202731. The cubic root of 214226281 is about 598.3531515451.

Adding to 214226281 its reverse (182622412), we get a palindrome (396848693).

The spelling of 214226281 in words is "two hundred fourteen million, two hundred twenty-six thousand, two hundred eighty-one".