225925811 has 8 divisors (see below), whose sum is σ = 232733280. Its totient is φ = 219155328.

The previous prime is 225925807. The next prime is 225925813. The reversal of 225925811 is 118529522.

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 225925811 - 2² = 225925807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225925813) 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, 3410 + ... + 21528.

It is an arithmetic number, because the mean of its divisors is an integer number (29091660).

Almost surely, 2^225925811 is an apocalyptic number.

225925811 is a deficient number, since it is larger than the sum of its proper divisors (6807469).

225925811 is a wasteful number, since it uses less digits than its factorization.

225925811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18493.

The product of its digits is 14400, while the sum is 35.

The square root of 225925811 is about 15030.8286864032. The cubic root of 225925811 is about 609.0532756817.

The spelling of 225925811 in words is "two hundred twenty-five million, nine hundred twenty-five thousand, eight hundred eleven".