7224423 has 4 divisors (see below), whose sum is σ = 9632568. Its totient is φ = 4816280.

The previous prime is 7224419. The next prime is 7224431. The reversal of 7224423 is 3244227.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7224423 - 2² = 7224419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7224393 and 7224402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7224433) 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, 1204068 + ... + 1204073.

It is an arithmetic number, because the mean of its divisors is an integer number (2408142).

Almost surely, 2^7224423 is an apocalyptic number.

7224423 is a deficient number, since it is larger than the sum of its proper divisors (2408145).

7224423 is a wasteful number, since it uses less digits than its factorization.

7224423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408144.

The product of its digits is 2688, while the sum is 24.

The square root of 7224423 is about 2687.8286775760. The cubic root of 7224423 is about 193.3159652121.

The spelling of 7224423 in words is "seven million, two hundred twenty-four thousand, four hundred twenty-three".