43940226 has 16 divisors (see below), whose sum is σ = 95869728. Its totient is φ = 13315200.

The previous prime is 43940213. The next prime is 43940227. The reversal of 43940226 is 62204934.

43940226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 43940193 and 43940202.

It is not an unprimeable number, because it can be changed into a prime (43940227) 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 in 7 ways as a sum of consecutive naturals, for example, 332815 + ... + 332946.

It is an arithmetic number, because the mean of its divisors is an integer number (5991858).

Almost surely, 2^43940226 is an apocalyptic number.

43940226 is an abundant number, since it is smaller than the sum of its proper divisors (51929502).

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

43940226 is a wasteful number, since it uses less digits than its factorization.

43940226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665777.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 43940226 is about 6628.7424146666. The cubic root of 43940226 is about 352.8748951448.

The spelling of 43940226 in words is "forty-three million, nine hundred forty thousand, two hundred twenty-six".