225469965 has 32 divisors (see below), whose sum is σ = 414132480. Its totient is φ = 102610944.

The previous prime is 225469957. The next prime is 225469999. The reversal of 225469965 is 569964522.

It is not a de Polignac number, because 225469965 - 2³ = 225469957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19357 + ... + 28733.

It is an arithmetic number, because the mean of its divisors is an integer number (12941640).

Almost surely, 2^225469965 is an apocalyptic number.

It is an amenable number.

225469965 is a deficient number, since it is larger than the sum of its proper divisors (188662515).

225469965 is a wasteful number, since it uses less digits than its factorization.

225469965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9621.

The product of its digits is 1166400, while the sum is 48.

The square root of 225469965 is about 15015.6573282690. The cubic root of 225469965 is about 608.6433749953.

The spelling of 225469965 in words is "two hundred twenty-five million, four hundred sixty-nine thousand, nine hundred sixty-five".