225201035405 has 32 divisors (see below), whose sum is σ = 284021100000. Its totient is φ = 171194010624.

The previous prime is 225201035401. The next prime is 225201035413. The reversal of 225201035405 is 504530102522.

It can be written as a sum of positive squares in 16 ways, for example, as 142994397316 + 82206638089 = 378146^2 + 286717^2 .

It is a cyclic number.

It is not a de Polignac number, because 225201035405 - 2² = 225201035401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225201035401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2307131 + ... + 2402759.

It is an arithmetic number, because the mean of its divisors is an integer number (8875659375).

Almost surely, 2^225201035405 is an apocalyptic number.

It is an amenable number.

225201035405 is a deficient number, since it is larger than the sum of its proper divisors (58820064595).

225201035405 is a wasteful number, since it uses less digits than its factorization.

225201035405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95921.

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 225201035405 its reverse (504530102522), we get a palindrome (729731137927).

The spelling of 225201035405 in words is "two hundred twenty-five billion, two hundred one million, thirty-five thousand, four hundred five".