225227479 has 2 divisors, whose sum is σ = 225227480. Its totient is φ = 225227478.

The previous prime is 225227447. The next prime is 225227491. The reversal of 225227479 is 974722522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225227479 - 2⁵ = 225227447 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225227279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112613739 + 112613740.

It is an arithmetic number, because the mean of its divisors is an integer number (112613740).

Almost surely, 2^225227479 is an apocalyptic number.

225227479 is a deficient number, since it is larger than the sum of its proper divisors (1).

225227479 is an equidigital number, since it uses as much as digits as its factorization.

225227479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 40.

The square root of 225227479 is about 15007.5807177573. The cubic root of 225227479 is about 608.4251043302.

The spelling of 225227479 in words is "two hundred twenty-five million, two hundred twenty-seven thousand, four hundred seventy-nine".