225551303 has 2 divisors, whose sum is σ = 225551304. Its totient is φ = 225551302.

The previous prime is 225551273. The next prime is 225551321. The reversal of 225551303 is 303155522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225551303 - 2¹⁰ = 225550279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225551323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112775651 + 112775652.

It is an arithmetic number, because the mean of its divisors is an integer number (112775652).

Almost surely, 2^225551303 is an apocalyptic number.

225551303 is a deficient number, since it is larger than the sum of its proper divisors (1).

225551303 is an equidigital number, since it uses as much as digits as its factorization.

225551303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 225551303 is about 15018.3655235848. The cubic root of 225551303 is about 608.7165553012.

The spelling of 225551303 in words is "two hundred twenty-five million, five hundred fifty-one thousand, three hundred three".