225575479 has 2 divisors, whose sum is σ = 225575480. Its totient is φ = 225575478.

The previous prime is 225575407. The next prime is 225575489. The reversal of 225575479 is 974575522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225575479 - 2¹⁷ = 225444407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225575489) 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, 112787739 + 112787740.

It is an arithmetic number, because the mean of its divisors is an integer number (112787740).

Almost surely, 2^225575479 is an apocalyptic number.

225575479 is a deficient number, since it is larger than the sum of its proper divisors (1).

225575479 is an equidigital number, since it uses as much as digits as its factorization.

225575479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 882000, while the sum is 46.

The square root of 225575479 is about 15019.1703832136. The cubic root of 225575479 is about 608.7383032073.

The spelling of 225575479 in words is "two hundred twenty-five million, five hundred seventy-five thousand, four hundred seventy-nine".