7102231 has 2 divisors, whose sum is σ = 7102232. Its totient is φ = 7102230.

The previous prime is 7102229. The next prime is 7102241. The reversal of 7102231 is 1322017.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7102231 - 2¹ = 7102229 is a prime.

It is a super-2 number, since 2×7102231² = 100883370354722, which contains 22 as substring.

Together with 7102229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7102241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3551115 + 3551116.

It is an arithmetic number, because the mean of its divisors is an integer number (3551116).

Almost surely, 2^7102231 is an apocalyptic number.

7102231 is a deficient number, since it is larger than the sum of its proper divisors (1).

7102231 is an equidigital number, since it uses as much as digits as its factorization.

7102231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 7102231 is about 2665.0011257033. The cubic root of 7102231 is about 192.2198635123.

Adding to 7102231 its reverse (1322017), we get a palindrome (8424248).

The spelling of 7102231 in words is "seven million, one hundred two thousand, two hundred thirty-one".