225525711 has 16 divisors (see below), whose sum is σ = 304738304. Its totient is φ = 148345344.

The previous prime is 225525709. The next prime is 225525731. The reversal of 225525711 is 117525522.

It is not a de Polignac number, because 225525711 - 2¹ = 225525709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225525731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72000 + ... + 75066.

It is an arithmetic number, because the mean of its divisors is an integer number (19046144).

Almost surely, 2^225525711 is an apocalyptic number.

225525711 is a deficient number, since it is larger than the sum of its proper divisors (79212593).

225525711 is a wasteful number, since it uses less digits than its factorization.

225525711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390.

The product of its digits is 7000, while the sum is 30.

The square root of 225525711 is about 15017.5134759387. The cubic root of 225525711 is about 608.6935319164.

It can be divided in two parts, 2255 and 25711, that added together give a triangular number (27966 = T₂₃₆).

The spelling of 225525711 in words is "two hundred twenty-five million, five hundred twenty-five thousand, seven hundred eleven".