7222423 has 8 divisors (see below), whose sum is σ = 7839216. Its totient is φ = 6614400.

The previous prime is 7222379. The next prime is 7222427. The reversal of 7222423 is 3242227.

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

It is not a de Polignac number, because 7222423 - 2⁹ = 7221911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7222394 and 7222403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7222427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418 + ... + 3823.

It is an arithmetic number, because the mean of its divisors is an integer number (979902).

Almost surely, 2^7222423 is an apocalyptic number.

7222423 is a deficient number, since it is larger than the sum of its proper divisors (616793).

7222423 is a wasteful number, since it uses less digits than its factorization.

7222423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4385.

The product of its digits is 1344, while the sum is 22.

The square root of 7222423 is about 2687.4566043008. The cubic root of 7222423 is about 193.2981244511.

The spelling of 7222423 in words is "seven million, two hundred twenty-two thousand, four hundred twenty-three".