440006224 has 40 divisors (see below), whose sum is σ = 976376000. Its totient is φ = 188172288.

The previous prime is 440006173. The next prime is 440006227. The reversal of 440006224 is 422600044.

It is a junction number, because it is equal to n+sod(n) for n = 440006195 and 440006204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440006227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51952 + ... + 59824.

It is an arithmetic number, because the mean of its divisors is an integer number (24409400).

Almost surely, 2^440006224 is an apocalyptic number.

It is an amenable number.

440006224 is an abundant number, since it is smaller than the sum of its proper divisors (536369776).

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

440006224 is a wasteful number, since it uses less digits than its factorization.

440006224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8387 (or 8381 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 440006224 is about 20976.3253216573. The cubic root of 440006224 is about 760.5940784348.

Adding to 440006224 its reverse (422600044), we get a palindrome (862606268).

The spelling of 440006224 in words is "four hundred forty million, six thousand, two hundred twenty-four".