7229143 has 2 divisors, whose sum is σ = 7229144. Its totient is φ = 7229142.

The previous prime is 7229141. The next prime is 7229191. The reversal of 7229143 is 3419227.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7229143 - 2¹ = 7229141 is a prime.

It is a super-3 number, since 3×7229143³ (a number of 22 digits) contains 333 as substring.

Together with 7229141, 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 (7229141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3614571 + 3614572.

It is an arithmetic number, because the mean of its divisors is an integer number (3614572).

Almost surely, 2^7229143 is an apocalyptic number.

7229143 is a deficient number, since it is larger than the sum of its proper divisors (1).

7229143 is an equidigital number, since it uses as much as digits as its factorization.

7229143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 28.

The square root of 7229143 is about 2688.7065663623. The cubic root of 7229143 is about 193.3580563574.

The spelling of 7229143 in words is "seven million, two hundred twenty-nine thousand, one hundred forty-three".