4440223226 has 8 divisors (see below), whose sum is σ = 6662694324. Its totient is φ = 2219325120.

The previous prime is 4440223223. The next prime is 4440223273. The reversal of 4440223226 is 6223220444.

It is a happy number.

It is a Cunningham number, because it is equal to 66635²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 4440223225 + 1 = 66635^2 + 1^2 .

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 (4440223223) 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, 386165 + ... + 397496.

Almost surely, 2^4440223226 is an apocalyptic number.

4440223226 is a deficient number, since it is larger than the sum of its proper divisors (2222471098).

4440223226 is a wasteful number, since it uses less digits than its factorization.

4440223226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786496.

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 4440223226 is about 66635.0000075036. Note that the first 5 decimals coincide. The cubic root of 4440223226 is about 1643.6206970127.

The spelling of 4440223226 in words is "four billion, four hundred forty million, two hundred twenty-three thousand, two hundred twenty-six".