102225040444 has 12 divisors (see below), whose sum is σ = 182269176264. Its totient is φ = 50148132944.

The previous prime is 102225040433. The next prime is 102225040469. The reversal of 102225040444 is 444040522201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241096582 + ... + 241097005.

It is an arithmetic number, because the mean of its divisors is an integer number (15189098022).

Almost surely, 2^102225040444 is an apocalyptic number.

It is an amenable number.

102225040444 is a deficient number, since it is larger than the sum of its proper divisors (80044135820).

102225040444 is a wasteful number, since it uses less digits than its factorization.

102225040444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482193644 (or 482193642 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 102225040444 its reverse (444040522201), we get a palindrome (546265562645).

The spelling of 102225040444 in words is "one hundred two billion, two hundred twenty-five million, forty thousand, four hundred forty-four".