225611552201 has 8 divisors (see below), whose sum is σ = 257853160320. Its totient is φ = 193372790688.

The previous prime is 225611552197. The next prime is 225611552219. The reversal of 225611552201 is 102255116522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225611552201 - 2² = 225611552197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225611552261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539021 + ... + 861258.

It is an arithmetic number, because the mean of its divisors is an integer number (32231645040).

Almost surely, 2^225611552201 is an apocalyptic number.

It is an amenable number.

225611552201 is a deficient number, since it is larger than the sum of its proper divisors (32241608119).

225611552201 is a wasteful number, since it uses less digits than its factorization.

225611552201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423303.

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 225611552201 its reverse (102255116522), we get a palindrome (327866668723).

The spelling of 225611552201 in words is "two hundred twenty-five billion, six hundred eleven million, five hundred fifty-two thousand, two hundred one".