445244221211 has 8 divisors (see below), whose sum is σ = 455337655440. Its totient is φ = 435258738432.

The previous prime is 445244221193. The next prime is 445244221217. The reversal of 445244221211 is 112122442544.

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 445244221211 - 2¹⁴ = 445244204827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445244221217) 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, 26979521 + ... + 26996018.

It is an arithmetic number, because the mean of its divisors is an integer number (56917206930).

Almost surely, 2^445244221211 is an apocalyptic number.

445244221211 is a deficient number, since it is larger than the sum of its proper divisors (10093434229).

445244221211 is a wasteful number, since it uses less digits than its factorization.

445244221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53975725.

The product of its digits is 20480, while the sum is 32.

Adding to 445244221211 its reverse (112122442544), we get a palindrome (557366663755).

The spelling of 445244221211 in words is "four hundred forty-five billion, two hundred forty-four million, two hundred twenty-one thousand, two hundred eleven".