225459811 has 2 divisors, whose sum is σ = 225459812. Its totient is φ = 225459810.

The previous prime is 225459803. The next prime is 225459859. The reversal of 225459811 is 118954522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225459811 - 2³ = 225459803 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (225450811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112729905 + 112729906.

It is an arithmetic number, because the mean of its divisors is an integer number (112729906).

Almost surely, 2^225459811 is an apocalyptic number.

225459811 is a deficient number, since it is larger than the sum of its proper divisors (1).

225459811 is an equidigital number, since it uses as much as digits as its factorization.

225459811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 37.

The square root of 225459811 is about 15015.3192107261. The cubic root of 225459811 is about 608.6342381426.

The spelling of 225459811 in words is "two hundred twenty-five million, four hundred fifty-nine thousand, eight hundred eleven".