8938223156 has 12 divisors (see below), whose sum is σ = 15642765600. Its totient is φ = 4468861560.

The previous prime is 8938223153. The next prime is 8938223179. The reversal of 8938223156 is 6513228398.

It is a self number, because there is not a number n which added to its sum of digits gives 8938223156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8938223153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34745 + ... + 138143.

It is an arithmetic number, because the mean of its divisors is an integer number (1303563800).

Almost surely, 2^8938223156 is an apocalyptic number.

It is an amenable number.

8938223156 is a deficient number, since it is larger than the sum of its proper divisors (6704542444).

8938223156 is a wasteful number, since it uses less digits than its factorization.

8938223156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125014 (or 125012 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The square root of 8938223156 is about 94542.1765985954. The cubic root of 8938223156 is about 2075.3135951065.

The spelling of 8938223156 in words is "eight billion, nine hundred thirty-eight million, two hundred twenty-three thousand, one hundred fifty-six".