214742231 has 16 divisors (see below), whose sum is σ = 237183360. Its totient is φ = 192805920.

The previous prime is 214742219. The next prime is 214742263. The reversal of 214742231 is 132247412.

It is a cyclic number.

It is not a de Polignac number, because 214742231 - 2¹⁰ = 214741207 is a prime.

It is a super-2 number, since 2×214742231² = 92228451549714722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214742231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214747231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410336 + ... + 410858.

It is an arithmetic number, because the mean of its divisors is an integer number (14823960).

Almost surely, 2^214742231 is an apocalyptic number.

214742231 is a deficient number, since it is larger than the sum of its proper divisors (22441129).

214742231 is a wasteful number, since it uses less digits than its factorization.

214742231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926.

The product of its digits is 2688, while the sum is 26.

The square root of 214742231 is about 14654.0858124961. The cubic root of 214742231 is about 598.8331312407.

Adding to 214742231 its reverse (132247412), we get a palindrome (346989643).

The spelling of 214742231 in words is "two hundred fourteen million, seven hundred forty-two thousand, two hundred thirty-one".