7214231 has 4 divisors (see below), whose sum is σ = 7227312. Its totient is φ = 7201152.

The previous prime is 7214197. The next prime is 7214257. The reversal of 7214231 is 1324127.

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

It is a cyclic number.

It is not a de Polignac number, because 7214231 - 2¹⁴ = 7197847 is a prime.

It is a super-2 number, since 2×7214231² = 104090257842722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7214131) 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, 5675 + ... + 6828.

It is an arithmetic number, because the mean of its divisors is an integer number (1806828).

Almost surely, 2^7214231 is an apocalyptic number.

7214231 is a deficient number, since it is larger than the sum of its proper divisors (13081).

7214231 is a wasteful number, since it uses less digits than its factorization.

7214231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13080.

The product of its digits is 336, while the sum is 20.

The square root of 7214231 is about 2685.9320542411. The cubic root of 7214231 is about 193.2250143002.

Adding to 7214231 its reverse (1324127), we get a palindrome (8538358).

The spelling of 7214231 in words is "seven million, two hundred fourteen thousand, two hundred thirty-one".