774225 has 48 divisors (see below), whose sum is σ = 1507840. Its totient is φ = 388800.

The previous prime is 774223. The next prime is 774229. The reversal of 774225 is 522477.

It is not a de Polignac number, because 774225 - 2¹ = 774223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (774223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20907 + ... + 20943.

2⁷⁷⁴²²⁵ is an apocalyptic number.

774225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

774225 is a deficient number, since it is larger than the sum of its proper divisors (733615).

774225 is a wasteful number, since it uses less digits than its factorization.

774225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 76 counting only the distinct ones).

The product of its digits is 3920, while the sum is 27.

The square root of 774225 is about 879.9005625637. The cubic root of 774225 is about 91.8238991131.

It can be divided in two parts, 774 and 225, that added together give a palindrome (999).

The spelling of 774225 in words is "seven hundred seventy-four thousand, two hundred twenty-five".