440010221 has 8 divisors (see below), whose sum is σ = 503000064. Its totient is φ = 377053200.

The previous prime is 440010211. The next prime is 440010229. The reversal of 440010221 is 122010044.

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

It is a cyclic number.

It is not a de Polignac number, because 440010221 - 2⁶ = 440010157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 440010196 and 440010205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440010229) 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, 37556 + ... + 47858.

It is an arithmetic number, because the mean of its divisors is an integer number (62875008).

Almost surely, 2^440010221 is an apocalyptic number.

It is an amenable number.

440010221 is a deficient number, since it is larger than the sum of its proper divisors (62989843).

440010221 is a wasteful number, since it uses less digits than its factorization.

440010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16411.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 440010221 is about 20976.4205955163. The cubic root of 440010221 is about 760.5963814971.

Adding to 440010221 its reverse (122010044), we get a palindrome (562020265).

The spelling of 440010221 in words is "four hundred forty million, ten thousand, two hundred twenty-one".