7222123 has 2 divisors, whose sum is σ = 7222124. Its totient is φ = 7222122.

The previous prime is 7222121. The next prime is 7222129. The reversal of 7222123 is 3212227.

7222123 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7222123 - 2¹ = 7222121 is a prime.

Together with 7222121, it forms a pair of twin primes.

7222123 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7222123.

It is not a weakly prime, because it can be changed into another prime (7222121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3611061 + 3611062.

It is an arithmetic number, because the mean of its divisors is an integer number (3611062).

Almost surely, 2^7222123 is an apocalyptic number.

7222123 is a deficient number, since it is larger than the sum of its proper divisors (1).

7222123 is an equidigital number, since it uses as much as digits as its factorization.

7222123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 19.

The square root of 7222123 is about 2687.4007888664. The cubic root of 7222123 is about 193.2954480528.

The spelling of 7222123 in words is "seven million, two hundred twenty-two thousand, one hundred twenty-three".