718226642220 has 24 divisors (see below), whose sum is σ = 2011034598384. Its totient is φ = 191527104576.

The previous prime is 718226642183. The next prime is 718226642251. The reversal of 718226642220 is 22246622817.

718226642220 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 7 ways as a sum of consecutive naturals, for example, 5985221959 + ... + 5985222078.

It is an arithmetic number, because the mean of its divisors is an integer number (83793108266).

Almost surely, 2^718226642220 is an apocalyptic number.

It is an amenable number.

718226642220 is an abundant number, since it is smaller than the sum of its proper divisors (1292807956164).

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

718226642220 is a wasteful number, since it uses less digits than its factorization.

718226642220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11970444049 (or 11970444047 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The spelling of 718226642220 in words is "seven hundred eighteen billion, two hundred twenty-six million, six hundred forty-two thousand, two hundred twenty".