225726133 has 2 divisors, whose sum is σ = 225726134. Its totient is φ = 225726132.

The previous prime is 225726121. The next prime is 225726157. The reversal of 225726133 is 331627522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216472369 + 9253764 = 14713^2 + 3042^2 .

It is a cyclic number.

It is not a de Polignac number, because 225726133 - 2²¹ = 223628981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225726095 and 225726104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225726103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112863066 + 112863067.

It is an arithmetic number, because the mean of its divisors is an integer number (112863067).

Almost surely, 2^225726133 is an apocalyptic number.

It is an amenable number.

225726133 is a deficient number, since it is larger than the sum of its proper divisors (1).

225726133 is an equidigital number, since it uses as much as digits as its factorization.

225726133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 31.

The square root of 225726133 is about 15024.1849362952. The cubic root of 225726133 is about 608.8737914142.

The spelling of 225726133 in words is "two hundred twenty-five million, seven hundred twenty-six thousand, one hundred thirty-three".