722347421356 has 12 divisors (see below), whose sum is σ = 1379026895400. Its totient is φ = 328339736960.

The previous prime is 722347421339. The next prime is 722347421371. The reversal of 722347421356 is 653124743227.

722347421356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8208493381 + ... + 8208493468.

It is an arithmetic number, because the mean of its divisors is an integer number (114918907950).

Almost surely, 2^722347421356 is an apocalyptic number.

It is an amenable number.

722347421356 is a deficient number, since it is larger than the sum of its proper divisors (656679474044).

722347421356 is a wasteful number, since it uses less digits than its factorization.

722347421356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16416986864 (or 16416986862 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 46.

The spelling of 722347421356 in words is "seven hundred twenty-two billion, three hundred forty-seven million, four hundred twenty-one thousand, three hundred fifty-six".