225454569 has 4 divisors (see below), whose sum is σ = 300606096. Its totient is φ = 150303044.

The previous prime is 225454543. The next prime is 225454571. The reversal of 225454569 is 965454522.

225454569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225454569 is a prime.

It is a super-2 number, since 2×225454569² = 101659525365951522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 225454569.

It is not an unprimeable number, because it can be changed into a prime (225454519) 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, 37575759 + ... + 37575764.

It is an arithmetic number, because the mean of its divisors is an integer number (75151524).

Almost surely, 2^225454569 is an apocalyptic number.

It is an amenable number.

225454569 is a deficient number, since it is larger than the sum of its proper divisors (75151527).

225454569 is an equidigital number, since it uses as much as digits as its factorization.

225454569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75151526.

The product of its digits is 432000, while the sum is 42.

The square root of 225454569 is about 15015.1446546479. The cubic root of 225454569 is about 608.6295211373.

The spelling of 225454569 in words is "two hundred twenty-five million, four hundred fifty-four thousand, five hundred sixty-nine".