225200362361 has 4 divisors (see below), whose sum is σ = 242523467172. Its totient is φ = 207877257552.

The previous prime is 225200362339. The next prime is 225200362367. The reversal of 225200362361 is 163263002522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 124295028025 + 100905334336 = 352555^2 + 317656^2 .

It is a cyclic number.

It is not a de Polignac number, because 225200362361 - 2¹⁴ = 225200345977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (225200362367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8661552386 + ... + 8661552411.

It is an arithmetic number, because the mean of its divisors is an integer number (60630866793).

Almost surely, 2^225200362361 is an apocalyptic number.

It is an amenable number.

225200362361 is a deficient number, since it is larger than the sum of its proper divisors (17323104811).

225200362361 is a wasteful number, since it uses less digits than its factorization.

225200362361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17323104810.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 225200362361 its reverse (163263002522), we get a palindrome (388463364883).

The spelling of 225200362361 in words is "two hundred twenty-five billion, two hundred million, three hundred sixty-two thousand, three hundred sixty-one".