225724623001 has 2 divisors, whose sum is σ = 225724623002. Its totient is φ = 225724623000.

The previous prime is 225724622987. The next prime is 225724623031. The reversal of 225724623001 is 100326427522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119940312976 + 105784310025 = 346324^2 + 325245^2 .

It is a cyclic number.

It is not a de Polignac number, because 225724623001 - 2³³ = 217134688409 is a prime.

It is not a weakly prime, because it can be changed into another prime (225724623031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112862311500 + 112862311501.

It is an arithmetic number, because the mean of its divisors is an integer number (112862311501).

Almost surely, 2^225724623001 is an apocalyptic number.

It is an amenable number.

225724623001 is a deficient number, since it is larger than the sum of its proper divisors (1).

225724623001 is an equidigital number, since it uses as much as digits as its factorization.

225724623001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 225724623001 in words is "two hundred twenty-five billion, seven hundred twenty-four million, six hundred twenty-three thousand, one".