43405228 has 24 divisors (see below), whose sum is σ = 78835680. Its totient is φ = 20885760.

The previous prime is 43405223. The next prime is 43405231. The reversal of 43405228 is 82250434.

It is a junction number, because it is equal to n+sod(n) for n = 43405196 and 43405205.

It is not an unprimeable number, because it can be changed into a prime (43405223) 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, 68473 + ... + 69103.

It is an arithmetic number, because the mean of its divisors is an integer number (3284820).

Almost surely, 2^43405228 is an apocalyptic number.

It is an amenable number.

43405228 is a deficient number, since it is larger than the sum of its proper divisors (35430452).

43405228 is a wasteful number, since it uses less digits than its factorization.

43405228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257 (or 1255 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 43405228 is about 6588.2644148516. The cubic root of 43405228 is about 351.4368901965.

The spelling of 43405228 in words is "forty-three million, four hundred five thousand, two hundred twenty-eight".