775229 has 12 divisors (see below), whose sum is σ = 971964. Its totient is φ = 612864.

The previous prime is 775193. The next prime is 775237. The reversal of 775229 is 922577.

It can be written as a sum of positive squares in 2 ways, for example, as 182329 + 592900 = 427^2 + 770^2 .

It is not a de Polignac number, because 775229 - 2¹⁶ = 709693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 775195 and 775204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (775259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29 + ... + 1245.

It is an arithmetic number, because the mean of its divisors is an integer number (80997).

2⁷⁷⁵²²⁹ is an apocalyptic number.

It is an amenable number.

775229 is a deficient number, since it is larger than the sum of its proper divisors (196735).

775229 is a wasteful number, since it uses less digits than its factorization.

775229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244 (or 1237 counting only the distinct ones).

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

The square root of 775229 is about 880.4708967365. The cubic root of 775229 is about 91.8635737869.

The spelling of 775229 in words is "seven hundred seventy-five thousand, two hundred twenty-nine".