225723747401 has 2 divisors, whose sum is σ = 225723747402. Its totient is φ = 225723747400.

The previous prime is 225723747397. The next prime is 225723747419. The reversal of 225723747401 is 104747327522.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114057500176 + 111666247225 = 337724^2 + 334165^2 .

It is a cyclic number.

It is not a de Polignac number, because 225723747401 - 2² = 225723747397 is a prime.

It is not a weakly prime, because it can be changed into another prime (225723747001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112861873700 + 112861873701.

It is an arithmetic number, because the mean of its divisors is an integer number (112861873701).

Almost surely, 2^225723747401 is an apocalyptic number.

It is an amenable number.

225723747401 is a deficient number, since it is larger than the sum of its proper divisors (1).

225723747401 is an equidigital number, since it uses as much as digits as its factorization.

225723747401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 658560, while the sum is 44.

The spelling of 225723747401 in words is "two hundred twenty-five billion, seven hundred twenty-three million, seven hundred forty-seven thousand, four hundred one".