43221026 has 8 divisors (see below), whose sum is σ = 65267100. Its totient is φ = 21465328.

The previous prime is 43221019. The next prime is 43221041. The reversal of 43221026 is 62012234.

It can be written as a sum of positive squares in 2 ways, for example, as 43099225 + 121801 = 6565^2 + 349^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 43220989 and 43221007.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72221 + ... + 72816.

Almost surely, 2^43221026 is an apocalyptic number.

43221026 is a deficient number, since it is larger than the sum of its proper divisors (22046074).

43221026 is a wasteful number, since it uses less digits than its factorization.

43221026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145188.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 43221026 is about 6574.2699974978. The cubic root of 43221026 is about 350.9390456459.

The spelling of 43221026 in words is "forty-three million, two hundred twenty-one thousand, twenty-six".