42216333325 has 24 divisors (see below), whose sum is σ = 55480009320. Its totient is φ = 31756339200.

The previous prime is 42216333317. The next prime is 42216333337. The reversal of 42216333325 is 52333361224.

It can be written as a sum of positive squares in 12 ways, for example, as 20665212516 + 21551120809 = 143754^2 + 146803^2 .

It is not a de Polignac number, because 42216333325 - 2³ = 42216333317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 407865 + ... + 500785.

It is an arithmetic number, because the mean of its divisors is an integer number (2311667055).

Almost surely, 2^42216333325 is an apocalyptic number.

It is an amenable number.

42216333325 is a deficient number, since it is larger than the sum of its proper divisors (13263675995).

42216333325 is a wasteful number, since it uses less digits than its factorization.

42216333325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94017 (or 94012 counting only the distinct ones).

The product of its digits is 77760, while the sum is 34.

Adding to 42216333325 its reverse (52333361224), we get a palindrome (94549694549).

The spelling of 42216333325 in words is "forty-two billion, two hundred sixteen million, three hundred thirty-three thousand, three hundred twenty-five".