225200065266 has 128 divisors (see below), whose sum is σ = 578534400000. Its totient is φ = 64216359360.

The previous prime is 225200065261. The next prime is 225200065267. The reversal of 225200065266 is 662560002522.

225200065266 is a `hidden beast` number, since 22 + 520 + 0 + 0 + 6 + 52 + 66 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 225200065266.

It is not an unprimeable number, because it can be changed into a prime (225200065261) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1614655 + ... + 1748573.

It is an arithmetic number, because the mean of its divisors is an integer number (4519800000).

Almost surely, 2^225200065266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225200065266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289267200000).

225200065266 is an abundant number, since it is smaller than the sum of its proper divisors (353334334734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225200065266 is a wasteful number, since it uses less digits than its factorization.

225200065266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134109 (or 134103 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 225200065266 its reverse (662560002522), we get a palindrome (887760067788).

The spelling of 225200065266 in words is "two hundred twenty-five billion, two hundred million, sixty-five thousand, two hundred sixty-six".