42245054225 has 24 divisors (see below), whose sum is σ = 57170962848. Its totient is φ = 30710275200.

The previous prime is 42245054207. The next prime is 42245054273. The reversal of 42245054225 is 52245054224.

It is a happy number.

It is not a de Polignac number, because 42245054225 - 2⁶ = 42245054161 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 621362 + ... + 685988.

It is an arithmetic number, because the mean of its divisors is an integer number (2382123452).

Almost surely, 2^42245054225 is an apocalyptic number.

It is an amenable number.

42245054225 is a deficient number, since it is larger than the sum of its proper divisors (14925908623).

42245054225 is a wasteful number, since it uses less digits than its factorization.

42245054225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67025 (or 67020 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 35.

Subtracting 42245054225 from its reverse (52245054224), we obtain a palindrome (9999999999).

The spelling of 42245054225 in words is "forty-two billion, two hundred forty-five million, fifty-four thousand, two hundred twenty-five".