43221466 has 8 divisors (see below), whose sum is σ = 68244480. Its totient is φ = 20473308.

The previous prime is 43221457. The next prime is 43221469. The reversal of 43221466 is 66412234.

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

It is not an unprimeable number, because it can be changed into a prime (43221469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568666 + ... + 568741.

It is an arithmetic number, because the mean of its divisors is an integer number (8530560).

Almost surely, 2^43221466 is an apocalyptic number.

43221466 is a deficient number, since it is larger than the sum of its proper divisors (25023014).

43221466 is a wasteful number, since it uses less digits than its factorization.

43221466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137428.

The product of its digits is 6912, while the sum is 28.

The square root of 43221466 is about 6574.3034612041. The cubic root of 43221466 is about 350.9402365220.

The spelling of 43221466 in words is "forty-three million, two hundred twenty-one thousand, four hundred sixty-six".