8436222172 has 24 divisors (see below), whose sum is σ = 16882943840. Its totient is φ = 3613273920.

The previous prime is 8436222163. The next prime is 8436222191. The reversal of 8436222172 is 2712226348.

It is a super-3 number, since 3×8436222172³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47547 + ... + 138322.

Almost surely, 2^8436222172 is an apocalyptic number.

It is an amenable number.

8436222172 is an abundant number, since it is smaller than the sum of its proper divisors (8446721668).

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

8436222172 is a wasteful number, since it uses less digits than its factorization.

8436222172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187501 (or 187499 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 8436222172 is about 91848.9094763787. The cubic root of 8436222172 is about 2035.7104351440.

The spelling of 8436222172 in words is "eight billion, four hundred thirty-six million, two hundred twenty-two thousand, one hundred seventy-two".