214022271 has 4 divisors (see below), whose sum is σ = 285363032. Its totient is φ = 142681512.

The previous prime is 214022209. The next prime is 214022273. The reversal of 214022271 is 172220412.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-214022271 is a prime.

It is the 14630-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214022273) by changing a digit.

It is a nontrivial repunit in base 14629.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35670376 + ... + 35670381.

It is an arithmetic number, because the mean of its divisors is an integer number (71340758).

Almost surely, 2^214022271 is an apocalyptic number.

214022271 is a deficient number, since it is larger than the sum of its proper divisors (71340761).

214022271 is an equidigital number, since it uses as much as digits as its factorization.

214022271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71340760.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 214022271 is about 14629.5000256331. The cubic root of 214022271 is about 598.1631518309.

Adding to 214022271 its reverse (172220412), we get a palindrome (386242683).

The spelling of 214022271 in words is "two hundred fourteen million, twenty-two thousand, two hundred seventy-one".