225469691 has 8 divisors (see below), whose sum is σ = 240847344. Its totient is φ = 210327040.

The previous prime is 225469687. The next prime is 225469697. The reversal of 225469691 is 196964522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225469691 - 2² = 225469687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225469697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56765 + ... + 60606.

It is an arithmetic number, because the mean of its divisors is an integer number (30105918).

Almost surely, 2^225469691 is an apocalyptic number.

225469691 is a deficient number, since it is larger than the sum of its proper divisors (15377653).

225469691 is a wasteful number, since it uses less digits than its factorization.

225469691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117501.

The product of its digits is 233280, while the sum is 44.

The square root of 225469691 is about 15015.6482044566. The cubic root of 225469691 is about 608.6431284461.

The spelling of 225469691 in words is "two hundred twenty-five million, four hundred sixty-nine thousand, six hundred ninety-one".