225788029 has 2 divisors, whose sum is σ = 225788030. Its totient is φ = 225788028.

The previous prime is 225788027. The next prime is 225788071. The reversal of 225788029 is 920887522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146168100 + 79619929 = 12090^2 + 8923^2 .

It is a cyclic number.

It is not a de Polignac number, because 225788029 - 2¹ = 225788027 is a prime.

Together with 225788027, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225788021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112894014 + 112894015.

It is an arithmetic number, because the mean of its divisors is an integer number (112894015).

Almost surely, 2^225788029 is an apocalyptic number.

It is an amenable number.

225788029 is a deficient number, since it is larger than the sum of its proper divisors (1).

225788029 is an equidigital number, since it uses as much as digits as its factorization.

225788029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 225788029 is about 15026.2446739031. The cubic root of 225788029 is about 608.9294390959.

The spelling of 225788029 in words is "two hundred twenty-five million, seven hundred eighty-eight thousand, twenty-nine".