42243122004225 has 24 divisors (see below), whose sum is σ = 72094928224512. Its totient is φ = 21802901678400.

The previous prime is 42243122004221. The next prime is 42243122004229. The reversal of 42243122004225 is 52240022134224.

It is an interprime number because it is at equal distance from previous prime (42243122004221) and next prime (42243122004229).

It is not a de Polignac number, because 42243122004225 - 2² = 42243122004221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42243122004221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9084540042 + ... + 9084544691.

It is an arithmetic number, because the mean of its divisors is an integer number (3003955342688).

Almost surely, 2^{42243122004225} is an apocalyptic number.

It is an amenable number.

42243122004225 is a deficient number, since it is larger than the sum of its proper divisors (29851806220287).

42243122004225 is a wasteful number, since it uses less digits than its factorization.

42243122004225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18169084777 (or 18169084772 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 42243122004225 its reverse (52240022134224), we get a palindrome (94483144138449).

The spelling of 42243122004225 in words is "forty-two trillion, two hundred forty-three billion, one hundred twenty-two million, four thousand, two hundred twenty-five".