7798223 has 4 divisors (see below), whose sum is σ = 8256960. Its totient is φ = 7339488.

The previous prime is 7798201. The next prime is 7798249. The reversal of 7798223 is 3228977.

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 7798223 - 2¹⁰ = 7797199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7798253) 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, 229343 + ... + 229376.

It is an arithmetic number, because the mean of its divisors is an integer number (2064240).

Almost surely, 2^7798223 is an apocalyptic number.

7798223 is a deficient number, since it is larger than the sum of its proper divisors (458737).

7798223 is a wasteful number, since it uses less digits than its factorization.

7798223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458736.

The product of its digits is 42336, while the sum is 38.

The square root of 7798223 is about 2792.5298565996. The cubic root of 7798223 is about 198.3041867266.

The spelling of 7798223 in words is "seven million, seven hundred ninety-eight thousand, two hundred twenty-three".