7750229 has 2 divisors, whose sum is σ = 7750230. Its totient is φ = 7750228.

The previous prime is 7750213. The next prime is 7750231. The reversal of 7750229 is 9220577.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7263025 + 487204 = 2695^2 + 698^2 .

It is a cyclic number.

It is not a de Polignac number, because 7750229 - 2⁴ = 7750213 is a prime.

Together with 7750231, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 7750195 and 7750204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7750529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3875114 + 3875115.

It is an arithmetic number, because the mean of its divisors is an integer number (3875115).

Almost surely, 2^7750229 is an apocalyptic number.

It is an amenable number.

7750229 is a deficient number, since it is larger than the sum of its proper divisors (1).

7750229 is an equidigital number, since it uses as much as digits as its factorization.

7750229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 7750229 is about 2783.9233107254. The cubic root of 7750229 is about 197.8965296200.

The spelling of 7750229 in words is "seven million, seven hundred fifty thousand, two hundred twenty-nine".