42247274225 has 24 divisors (see below), whose sum is σ = 57616728960. Its totient is φ = 30534189120.

The previous prime is 42247274219. The next prime is 42247274227. The reversal of 42247274225 is 52247274224.

It is not a de Polignac number, because 42247274225 - 2¹⁴ = 42247257841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42247274227) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1367615 + ... + 1398164.

It is an arithmetic number, because the mean of its divisors is an integer number (2400697040).

Almost surely, 2^42247274225 is an apocalyptic number.

It is an amenable number.

42247274225 is a deficient number, since it is larger than the sum of its proper divisors (15369454735).

42247274225 is a wasteful number, since it uses less digits than its factorization.

42247274225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765849 (or 2765844 counting only the distinct ones).

The product of its digits is 501760, while the sum is 41.

Subtracting 42247274225 from its reverse (52247274224), we obtain a palindrome (9999999999).

The spelling of 42247274225 in words is "forty-two billion, two hundred forty-seven million, two hundred seventy-four thousand, two hundred twenty-five".