774472122 has 12 divisors (see below), whose sum is σ = 1678022970. Its totient is φ = 258157368.

The previous prime is 774472117. The next prime is 774472151. The reversal of 774472122 is 221274477.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 604717281 + 169754841 = 24591^2 + 13029^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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, 21513097 + ... + 21513132.

Almost surely, 2^774472122 is an apocalyptic number.

774472122 is an abundant number, since it is smaller than the sum of its proper divisors (903550848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

774472122 is a wasteful number, since it uses less digits than its factorization.

774472122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43026237 (or 43026234 counting only the distinct ones).

The product of its digits is 43904, while the sum is 36.

The square root of 774472122 is about 27829.3392303878. The cubic root of 774472122 is about 918.3366771690.

The spelling of 774472122 in words is "seven hundred seventy-four million, four hundred seventy-two thousand, one hundred twenty-two".