774994122 has 64 divisors (see below), whose sum is σ = 1974067200. Its totient is φ = 220771440.

The previous prime is 774994093. The next prime is 774994123. The reversal of 774994122 is 221499477.

It is a happy number.

774994122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (774994123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132847 + ... + 138557.

It is an arithmetic number, because the mean of its divisors is an integer number (30844800).

Almost surely, 2^774994122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 774994122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (987033600).

774994122 is an abundant number, since it is smaller than the sum of its proper divisors (1199073078).

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

774994122 is a wasteful number, since it uses less digits than its factorization.

774994122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6088 (or 6082 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 774994122 is about 27838.7162419534. The cubic root of 774994122 is about 918.5429527608.

The spelling of 774994122 in words is "seven hundred seventy-four million, nine hundred ninety-four thousand, one hundred twenty-two".