7738223 has 2 divisors, whose sum is σ = 7738224. Its totient is φ = 7738222.

The previous prime is 7738207. The next prime is 7738229. The reversal of 7738223 is 3228377.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7738223 - 2⁴ = 7738207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7738223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7738229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3869111 + 3869112.

It is an arithmetic number, because the mean of its divisors is an integer number (3869112).

Almost surely, 2^7738223 is an apocalyptic number.

7738223 is a deficient number, since it is larger than the sum of its proper divisors (1).

7738223 is an equidigital number, since it uses as much as digits as its factorization.

7738223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 32.

The square root of 7738223 is about 2781.7661655862. The cubic root of 7738223 is about 197.7942886126.

The spelling of 7738223 in words is "seven million, seven hundred thirty-eight thousand, two hundred twenty-three".