225955711 has 4 divisors (see below), whose sum is σ = 226925712. Its totient is φ = 224985712.

The previous prime is 225955699. The next prime is 225955727. The reversal of 225955711 is 117559522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225955711 - 2⁹ = 225955199 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 (225955111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484651 + ... + 485116.

It is an arithmetic number, because the mean of its divisors is an integer number (56731428).

Almost surely, 2^225955711 is an apocalyptic number.

225955711 is a deficient number, since it is larger than the sum of its proper divisors (970001).

225955711 is an equidigital number, since it uses as much as digits as its factorization.

225955711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970000.

The product of its digits is 31500, while the sum is 37.

The square root of 225955711 is about 15031.8232759702. The cubic root of 225955711 is about 609.0801427456.

It can be divided in two parts, 2259 and 55711, that added together give a triangular number (57970 = T₃₄₀).

The spelling of 225955711 in words is "two hundred twenty-five million, nine hundred fifty-five thousand, seven hundred eleven".