225303047 has 2 divisors, whose sum is σ = 225303048. Its totient is φ = 225303046.

The previous prime is 225303031. The next prime is 225303097. The reversal of 225303047 is 740303522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225303047 - 2⁴ = 225303031 is a prime.

It is a super-2 number, since 2×225303047² = 101522925974968418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225303097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112651523 + 112651524.

It is an arithmetic number, because the mean of its divisors is an integer number (112651524).

Almost surely, 2^225303047 is an apocalyptic number.

225303047 is a deficient number, since it is larger than the sum of its proper divisors (1).

225303047 is an equidigital number, since it uses as much as digits as its factorization.

225303047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 225303047 is about 15010.0981675671. The cubic root of 225303047 is about 608.4931426936.

Adding to 225303047 its reverse (740303522), we get a palindrome (965606569).

The spelling of 225303047 in words is "two hundred twenty-five million, three hundred three thousand, forty-seven".