225706673 has 2 divisors, whose sum is σ = 225706674. Its totient is φ = 225706672.

The previous prime is 225706669. The next prime is 225706687. The reversal of 225706673 is 376607522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178275904 + 47430769 = 13352^2 + 6887^2 .

It is a cyclic number.

It is not a de Polignac number, because 225706673 - 2² = 225706669 is a prime.

It is not a weakly prime, because it can be changed into another prime (225706573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112853336 + 112853337.

It is an arithmetic number, because the mean of its divisors is an integer number (112853337).

Almost surely, 2^225706673 is an apocalyptic number.

It is an amenable number.

225706673 is a deficient number, since it is larger than the sum of its proper divisors (1).

225706673 is an equidigital number, since it uses as much as digits as its factorization.

225706673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 38.

The square root of 225706673 is about 15023.5372998505. The cubic root of 225706673 is about 608.8562937732.

The spelling of 225706673 in words is "two hundred twenty-five million, seven hundred six thousand, six hundred seventy-three".