445252505222 has 16 divisors (see below), whose sum is σ = 767860611840. Its totient is φ = 189679851528.

The previous prime is 445252505153. The next prime is 445252505237. The reversal of 445252505222 is 222505252544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95218472 + ... + 95223147.

It is an arithmetic number, because the mean of its divisors is an integer number (47991288240).

Almost surely, 2^445252505222 is an apocalyptic number.

445252505222 is a deficient number, since it is larger than the sum of its proper divisors (322608106618).

445252505222 is a wasteful number, since it uses less digits than its factorization.

445252505222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190441795.

The product of its (nonzero) digits is 320000, while the sum is 38.

Adding to 445252505222 its reverse (222505252544), we get a palindrome (667757757766).

The spelling of 445252505222 in words is "four hundred forty-five billion, two hundred fifty-two million, five hundred five thousand, two hundred twenty-two".