43472231 has 8 divisors (see below), whose sum is σ = 49486464. Its totient is φ = 37801720.

The previous prime is 43472207. The next prime is 43472249. The reversal of 43472231 is 13227434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43472231 - 2⁶ = 43472167 is a prime.

It is a super-2 number, since 2×43472231² = 3779669736234722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43472231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43472291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85661 + ... + 86166.

It is an arithmetic number, because the mean of its divisors is an integer number (6185808).

Almost surely, 2^43472231 is an apocalyptic number.

43472231 is a deficient number, since it is larger than the sum of its proper divisors (6014233).

43472231 is a wasteful number, since it uses less digits than its factorization.

43472231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171861.

The product of its digits is 4032, while the sum is 26.

The square root of 43472231 is about 6593.3474806050. The cubic root of 43472231 is about 351.6176304825.

Adding to 43472231 its reverse (13227434), we get a palindrome (56699665).

It can be divided in two parts, 43 and 472231, that added together give a palindrome (472274).

The spelling of 43472231 in words is "forty-three million, four hundred seventy-two thousand, two hundred thirty-one".