7322143 has 4 divisors (see below), whose sum is σ = 7334208. Its totient is φ = 7310080.

The previous prime is 7322137. The next prime is 7322153. The reversal of 7322143 is 3412237.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3412237 = 197 ⋅17321.

It is a cyclic number.

It is not a de Polignac number, because 7322143 - 2⁵ = 7322111 is a prime.

It is a super-2 number, since 2×7322143² = 107227556224898, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 (7322113) 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, 5071 + ... + 6352.

It is an arithmetic number, because the mean of its divisors is an integer number (1833552).

Almost surely, 2^7322143 is an apocalyptic number.

7322143 is a deficient number, since it is larger than the sum of its proper divisors (12065).

7322143 is a wasteful number, since it uses less digits than its factorization.

With its successor (7322144) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (12064).

7322143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12064.

The product of its digits is 1008, while the sum is 22.

The square root of 7322143 is about 2705.9458605079. The cubic root of 7322143 is about 194.1836836832.

The spelling of 7322143 in words is "seven million, three hundred twenty-two thousand, one hundred forty-three".