43243227 has 20 divisors (see below), whose sum is σ = 65049600. Its totient is φ = 28627344.

The previous prime is 43243219. The next prime is 43243261. The reversal of 43243227 is 72234234.

43243227 is a `hidden beast` number, since 432 + 4 + 3 + 227 = 666.

It is not a de Polignac number, because 43243227 - 2³ = 43243219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 43243227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43243217) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10278 + ... + 13860.

It is an arithmetic number, because the mean of its divisors is an integer number (3252480).

Almost surely, 2^43243227 is an apocalyptic number.

43243227 is a deficient number, since it is larger than the sum of its proper divisors (21806373).

43243227 is a wasteful number, since it uses less digits than its factorization.

43243227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3744 (or 3735 counting only the distinct ones).

The product of its digits is 8064, while the sum is 27.

The square root of 43243227 is about 6575.9582571668. The cubic root of 43243227 is about 350.9991233815. Note that the first 3 decimals are identical.

The spelling of 43243227 in words is "forty-three million, two hundred forty-three thousand, two hundred twenty-seven".