774220450 has 12 divisors (see below), whose sum is σ = 1440050130. Its totient is φ = 309688160.

The previous prime is 774220429. The next prime is 774220463. The reversal of 774220450 is 54022477.

It can be written as a sum of positive squares in 3 ways, for example, as 743162121 + 31058329 = 27261^2 + 5573^2 .

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, 7742155 + ... + 7742254.

Almost surely, 2^774220450 is an apocalyptic number.

774220450 is a deficient number, since it is larger than the sum of its proper divisors (665829680).

774220450 is a wasteful number, since it uses less digits than its factorization.

774220450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15484421 (or 15484416 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 774220450 is about 27824.8171602259. The cubic root of 774220450 is about 918.2371923453.

The spelling of 774220450 in words is "seven hundred seventy-four million, two hundred twenty thousand, four hundred fifty".