43220026 has 8 divisors (see below), whose sum is σ = 65425140. Its totient is φ = 21411648.

The previous prime is 43220017. The next prime is 43220029. The reversal of 43220026 is 62002234.

It can be written as a sum of positive squares in 2 ways, for example, as 42889401 + 330625 = 6549^2 + 575^2 .

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 = 43219985 and 43220012.

It is not an unprimeable number, because it can be changed into a prime (43220029) 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, 98911 + ... + 99346.

Almost surely, 2^43220026 is an apocalyptic number.

43220026 is a deficient number, since it is larger than the sum of its proper divisors (22205114).

43220026 is a wasteful number, since it uses less digits than its factorization.

43220026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198368.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 43220026 is about 6574.1939429865. The cubic root of 43220026 is about 350.9363390794.

The spelling of 43220026 in words is "forty-three million, two hundred twenty thousand, twenty-six".