440221010 has 8 divisors (see below), whose sum is σ = 792397836. Its totient is φ = 176088400.

The previous prime is 440221009. The next prime is 440221027. The reversal of 440221010 is 10122044.

It can be written as a sum of positive squares in 2 ways, for example, as 419143729 + 21077281 = 20473^2 + 4591^2 .

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

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, 22011041 + ... + 22011060.

Almost surely, 2^440221010 is an apocalyptic number.

440221010 is a deficient number, since it is larger than the sum of its proper divisors (352176826).

440221010 is a wasteful number, since it uses less digits than its factorization.

440221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44022108.

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

The square root of 440221010 is about 20981.4444212023. Note that the first 4 decimals coincide. The cubic root of 440221010 is about 760.7178178853.

Adding to 440221010 its reverse (10122044), we get a palindrome (450343054).

The spelling of 440221010 in words is "four hundred forty million, two hundred twenty-one thousand, ten".