225400352201 has 4 divisors (see below), whose sum is σ = 229095440004. Its totient is φ = 221705264400.

The previous prime is 225400352183. The next prime is 225400352237. The reversal of 225400352201 is 102253004522.

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 30081433600 + 195318918601 = 173440^2 + 441949^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225400352201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225400352701) 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, 1847543810 + ... + 1847543931.

It is an arithmetic number, because the mean of its divisors is an integer number (57273860001).

Almost surely, 2^225400352201 is an apocalyptic number.

It is an amenable number.

225400352201 is a deficient number, since it is larger than the sum of its proper divisors (3695087803).

225400352201 is an equidigital number, since it uses as much as digits as its factorization.

225400352201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3695087802.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 225400352201 its reverse (102253004522), we get a palindrome (327653356723).

The spelling of 225400352201 in words is "two hundred twenty-five billion, four hundred million, three hundred fifty-two thousand, two hundred one".