225767447 has 4 divisors (see below), whose sum is σ = 226736640. Its totient is φ = 224798256.

The previous prime is 225767371. The next prime is 225767473. The reversal of 225767447 is 744767522.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225767447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225767398 and 225767407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225767147) 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, 484247 + ... + 484712.

It is an arithmetic number, because the mean of its divisors is an integer number (56684160).

Almost surely, 2^225767447 is an apocalyptic number.

225767447 is a deficient number, since it is larger than the sum of its proper divisors (969193).

225767447 is an equidigital number, since it uses as much as digits as its factorization.

225767447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969192.

The product of its digits is 658560, while the sum is 44.

The square root of 225767447 is about 15025.5597899047. The cubic root of 225767447 is about 608.9109359500.

The spelling of 225767447 in words is "two hundred twenty-five million, seven hundred sixty-seven thousand, four hundred forty-seven".