320773822 has 4 divisors (see below), whose sum is σ = 481160736. Its totient is φ = 160386910.

The previous prime is 320773819. The next prime is 320773829. The reversal of 320773822 is 228377023.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320773829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80193454 + ... + 80193457.

It is an arithmetic number, because the mean of its divisors is an integer number (120290184).

Almost surely, 2^320773822 is an apocalyptic number.

320773822 is a deficient number, since it is larger than the sum of its proper divisors (160386914).

320773822 is a wasteful number, since it uses less digits than its factorization.

320773822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160386913.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 320773822 is about 17910.1597424479. The cubic root of 320773822 is about 684.5412752704.

The spelling of 320773822 in words is "three hundred twenty million, seven hundred seventy-three thousand, eight hundred twenty-two".