7222143 has 8 divisors (see below), whose sum is σ = 9648000. Its totient is φ = 4805528.

The previous prime is 7222133. The next prime is 7222153. The reversal of 7222143 is 3412227.

It is an interprime number because it is at equal distance from previous prime (7222133) and next prime (7222153).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7222143 - 2⁹ = 7221631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7222123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213 + ... + 3806.

It is an arithmetic number, because the mean of its divisors is an integer number (1206000).

Almost surely, 2^7222143 is an apocalyptic number.

7222143 is a deficient number, since it is larger than the sum of its proper divisors (2425857).

7222143 is a wasteful number, since it uses less digits than its factorization.

7222143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4621.

The product of its digits is 672, while the sum is 21.

The square root of 7222143 is about 2687.4045099315. The cubic root of 7222143 is about 193.2956264817.

The spelling of 7222143 in words is "seven million, two hundred twenty-two thousand, one hundred forty-three".