770225 has 6 divisors (see below), whose sum is σ = 955110. Its totient is φ = 616160.

The previous prime is 770207. The next prime is 770227. The reversal of 770225 is 522077.

770225 = 62² + 63² + ... + 136².

It can be written as a sum of positive squares in 3 ways, for example, as 141376 + 628849 = 376^2 + 793^2 .

It is a de Polignac number, because none of the positive numbers 2^k-770225 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 770225.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 770225.

It is not an unprimeable number, because it can be changed into a prime (770227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15380 + ... + 15429.

It is an arithmetic number, because the mean of its divisors is an integer number (159185).

2⁷⁷⁰²²⁵ is an apocalyptic number.

It is an amenable number.

770225 is a deficient number, since it is larger than the sum of its proper divisors (184885).

770225 is a wasteful number, since it uses less digits than its factorization.

770225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30819 (or 30814 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 770225 is about 877.6246350234. The cubic root of 770225 is about 91.6654912613.

The spelling of 770225 in words is "seven hundred seventy thousand, two hundred twenty-five".