9244972172 has 6 divisors (see below), whose sum is σ = 16178701308. Its totient is φ = 4622486084.

The previous prime is 9244972171. The next prime is 9244972183. The reversal of 9244972172 is 2712794429.

It is a super-2 number, since 2×9244972172² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9244972171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155621518 + ... + 1155621525.

It is an arithmetic number, because the mean of its divisors is an integer number (2696450218).

Almost surely, 2^9244972172 is an apocalyptic number.

It is an amenable number.

9244972172 is a deficient number, since it is larger than the sum of its proper divisors (6933729136).

9244972172 is a wasteful number, since it uses less digits than its factorization.

9244972172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311243047 (or 2311243045 counting only the distinct ones).

The product of its digits is 508032, while the sum is 47.

The square root of 9244972172 is about 96150.7783223828. The cubic root of 9244972172 is about 2098.7878243955.

The spelling of 9244972172 in words is "nine billion, two hundred forty-four million, nine hundred seventy-two thousand, one hundred seventy-two".