773438422 has 4 divisors (see below), whose sum is σ = 1160157636. Its totient is φ = 386719210.

The previous prime is 773438401. The next prime is 773438441. The reversal of 773438422 is 224834377.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224834377 = 13103 ⋅17159.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193359604 + ... + 193359607.

It is an arithmetic number, because the mean of its divisors is an integer number (290039409).

Almost surely, 2^773438422 is an apocalyptic number.

773438422 is a deficient number, since it is larger than the sum of its proper divisors (386719214).

773438422 is a wasteful number, since it uses less digits than its factorization.

773438422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386719213.

The product of its digits is 225792, while the sum is 40.

The square root of 773438422 is about 27810.7609029311. The cubic root of 773438422 is about 917.9279225040.

The spelling of 773438422 in words is "seven hundred seventy-three million, four hundred thirty-eight thousand, four hundred twenty-two".