225216583 has 2 divisors, whose sum is σ = 225216584. Its totient is φ = 225216582.

The previous prime is 225216569. The next prime is 225216587. The reversal of 225216583 is 385612522.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225216583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225216587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112608291 + 112608292.

It is an arithmetic number, because the mean of its divisors is an integer number (112608292).

Almost surely, 2^225216583 is an apocalyptic number.

225216583 is a deficient number, since it is larger than the sum of its proper divisors (1).

225216583 is an equidigital number, since it uses as much as digits as its factorization.

225216583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 34.

The square root of 225216583 is about 15007.2176968284. The cubic root of 225216583 is about 608.4152927583.

The spelling of 225216583 in words is "two hundred twenty-five million, two hundred sixteen thousand, five hundred eighty-three".