774394922 has 12 divisors (see below), whose sum is σ = 1351240290. Its totient is φ = 331883496.

The previous prime is 774394919. The next prime is 774394961. The reversal of 774394922 is 229493477.

It can be written as a sum of positive squares in only one way, i.e., 682829161 + 91565761 = 26131^2 + 9569^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3950897 + ... + 3951092.

Almost surely, 2^774394922 is an apocalyptic number.

774394922 is a deficient number, since it is larger than the sum of its proper divisors (576845368).

774394922 is a wasteful number, since it uses less digits than its factorization.

774394922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7902005 (or 7901998 counting only the distinct ones).

The product of its digits is 762048, while the sum is 47.

The square root of 774394922 is about 27827.9521704347. The cubic root of 774394922 is about 918.3061626438.

The spelling of 774394922 in words is "seven hundred seventy-four million, three hundred ninety-four thousand, nine hundred twenty-two".