225200671636 has 12 divisors (see below), whose sum is σ = 394104750228. Its totient is φ = 112599314432.

The previous prime is 225200671621. The next prime is 225200671637. The reversal of 225200671636 is 636176002522.

It can be written as a sum of positive squares in 2 ways, for example, as 141473776900 + 83726894736 = 376130^2 + 289356^2 .

It is a super-3 number, since 3×225200671636³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225200671637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469140 + ... + 818836.

It is an arithmetic number, because the mean of its divisors is an integer number (32842062519).

Almost surely, 2^225200671636 is an apocalyptic number.

It is an amenable number.

225200671636 is a deficient number, since it is larger than the sum of its proper divisors (168904078592).

225200671636 is a wasteful number, since it uses less digits than its factorization.

225200671636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510698 (or 510696 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 225200671636 in words is "two hundred twenty-five billion, two hundred million, six hundred seventy-one thousand, six hundred thirty-six".