722473982 has 4 divisors (see below), whose sum is σ = 1083710976. Its totient is φ = 361236990.

The previous prime is 722473981. The next prime is 722474009. The reversal of 722473982 is 289374227.

It is a happy number.

722473982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (722473981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180618494 + ... + 180618497.

It is an arithmetic number, because the mean of its divisors is an integer number (270927744).

Almost surely, 2^722473982 is an apocalyptic number.

722473982 is a deficient number, since it is larger than the sum of its proper divisors (361236994).

722473982 is a wasteful number, since it uses less digits than its factorization.

722473982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361236993.

The product of its digits is 338688, while the sum is 44.

The square root of 722473982 is about 26878.8761297789. The cubic root of 722473982 is about 897.3063419347.

The spelling of 722473982 in words is "seven hundred twenty-two million, four hundred seventy-three thousand, nine hundred eighty-two".