225251222200001 has 2 divisors, whose sum is σ = 225251222200002. Its totient is φ = 225251222200000.

The previous prime is 225251222199967. The next prime is 225251222200007. The reversal of 225251222200001 is 100002222152522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176442764646976 + 48808457553025 = 13283176^2 + 6986305^2 .

It is a cyclic number.

It is not a de Polignac number, because 225251222200001 - 2¹⁸ = 225251221937857 is a prime.

It is a super-2 number, since 2×225251222200001² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (225251222200007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112625611100000 + 112625611100001.

It is an arithmetic number, because the mean of its divisors is an integer number (112625611100001).

Almost surely, 2^{225251222200001} is an apocalyptic number.

It is an amenable number.

225251222200001 is a deficient number, since it is larger than the sum of its proper divisors (1).

225251222200001 is an equidigital number, since it uses as much as digits as its factorization.

225251222200001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 225251222200001 its reverse (100002222152522), we get a palindrome (325253444352523).

The spelling of 225251222200001 in words is "two hundred twenty-five trillion, two hundred fifty-one billion, two hundred twenty-two million, two hundred thousand, one".