43312228172 has 6 divisors (see below), whose sum is σ = 75796399308. Its totient is φ = 21656114084.

The previous prime is 43312228163. The next prime is 43312228213. The reversal of 43312228172 is 27182221334.

It is a super-3 number, since 3×43312228172³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5414028518 + ... + 5414028525.

It is an arithmetic number, because the mean of its divisors is an integer number (12632733218).

Almost surely, 2^43312228172 is an apocalyptic number.

It is an amenable number.

43312228172 is a deficient number, since it is larger than the sum of its proper divisors (32484171136).

43312228172 is a wasteful number, since it uses less digits than its factorization.

43312228172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10828057047 (or 10828057045 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The spelling of 43312228172 in words is "forty-three billion, three hundred twelve million, two hundred twenty-eight thousand, one hundred seventy-two".