722018069028 has 96 divisors (see below), whose sum is σ = 1892058089600. Its totient is φ = 238094183808.

The previous prime is 722018069021. The next prime is 722018069051. The reversal of 722018069028 is 820960810227.

It is not an unprimeable number, because it can be changed into a prime (722018069021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3789951 + ... + 3975897.

Almost surely, 2^722018069028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722018069028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (946029044800).

722018069028 is an abundant number, since it is smaller than the sum of its proper divisors (1170040020572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722018069028 is a wasteful number, since it uses less digits than its factorization.

722018069028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186346 (or 186338 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 722018069028 in words is "seven hundred twenty-two billion, eighteen million, sixty-nine thousand, twenty-eight".