774344225 has 12 divisors (see below), whose sum is σ = 993297660. Its totient is φ = 598113600.

The previous prime is 774344213. The next prime is 774344239. The reversal of 774344225 is 522443477.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1893376 + 772450849 = 1376^2 + 27793^2 .

It is not a de Polignac number, because 774344225 - 2¹⁸ = 774082081 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 533306 + ... + 534755.

It is an arithmetic number, because the mean of its divisors is an integer number (82774805).

Almost surely, 2^774344225 is an apocalyptic number.

It is an amenable number.

774344225 is a deficient number, since it is larger than the sum of its proper divisors (218953435).

774344225 is a wasteful number, since it uses less digits than its factorization.

774344225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068100 (or 1068095 counting only the distinct ones).

The product of its digits is 188160, while the sum is 38.

The square root of 774344225 is about 27827.0412548657. The cubic root of 774344225 is about 918.2861227468.

The spelling of 774344225 in words is "seven hundred seventy-four million, three hundred forty-four thousand, two hundred twenty-five".