225626663 has 2 divisors, whose sum is σ = 225626664. Its totient is φ = 225626662.

The previous prime is 225626647. The next prime is 225626683. The reversal of 225626663 is 366626522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225626663 - 2⁴ = 225626647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225626603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112813331 + 112813332.

It is an arithmetic number, because the mean of its divisors is an integer number (112813332).

Almost surely, 2^225626663 is an apocalyptic number.

225626663 is a deficient number, since it is larger than the sum of its proper divisors (1).

225626663 is an equidigital number, since it uses as much as digits as its factorization.

225626663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 38.

The square root of 225626663 is about 15020.8742422004. The cubic root of 225626663 is about 608.7843414634.

The spelling of 225626663 in words is "two hundred twenty-five million, six hundred twenty-six thousand, six hundred sixty-three".