7827223 has 2 divisors, whose sum is σ = 7827224. Its totient is φ = 7827222.

The previous prime is 7827217. The next prime is 7827227. The reversal of 7827223 is 3227287.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7827223 - 2⁹ = 7826711 is a prime.

It is a super-2 number, since 2×7827223² = 122530839783458, which contains 22 as substring.

It is equal to p₅₂₈₈₇₁ and since 7827223 and 528871 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7827227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3913611 + 3913612.

It is an arithmetic number, because the mean of its divisors is an integer number (3913612).

Almost surely, 2^7827223 is an apocalyptic number.

7827223 is a deficient number, since it is larger than the sum of its proper divisors (1).

7827223 is an equidigital number, since it uses as much as digits as its factorization.

7827223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 31.

The square root of 7827223 is about 2797.7174625040. The cubic root of 7827223 is about 198.5497002407.

The spelling of 7827223 in words is "seven million, eight hundred twenty-seven thousand, two hundred twenty-three".