722400072422 has 32 divisors (see below), whose sum is σ = 1250125809408. Its totient is φ = 306669314016.

The previous prime is 722400072389. The next prime is 722400072431. The reversal of 722400072422 is 224270004227.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14816348 + ... + 14865024.

It is an arithmetic number, because the mean of its divisors is an integer number (39066431544).

Almost surely, 2^722400072422 is an apocalyptic number.

722400072422 is a deficient number, since it is larger than the sum of its proper divisors (527725736986).

722400072422 is a wasteful number, since it uses less digits than its factorization.

722400072422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58700.

The product of its (nonzero) digits is 25088, while the sum is 32.

Adding to 722400072422 its reverse (224270004227), we get a palindrome (946670076649).

The spelling of 722400072422 in words is "seven hundred twenty-two billion, four hundred million, seventy-two thousand, four hundred twenty-two".