777226 has 8 divisors (see below), whose sum is σ = 1171620. Its totient is φ = 386688.

The previous prime is 777221. The next prime is 777241. The reversal of 777226 is 622777.

777226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 561001 + 216225 = 749^2 + 465^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (777221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391 + ... + 1306.

2⁷⁷⁷²²⁶ is an apocalyptic number.

777226 is a deficient number, since it is larger than the sum of its proper divisors (394394).

777226 is a wasteful number, since it uses less digits than its factorization.

777226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928.

The product of its digits is 8232, while the sum is 31.

The square root of 777226 is about 881.6042195906. The cubic root of 777226 is about 91.9423867386.

Subtracting from 777226 its reverse (622777), we obtain a square (154449 = 393²).

The spelling of 777226 in words is "seven hundred seventy-seven thousand, two hundred twenty-six".