225663043 has 8 divisors (see below), whose sum is σ = 233569280. Its totient is φ = 217796040.

The previous prime is 225663041. The next prime is 225663047. The reversal of 225663043 is 340366522.

It is a happy number.

225663043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 225663043 - 2¹ = 225663041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225662996 and 225663014.

It is not an unprimeable number, because it can be changed into a prime (225663041) 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, 2146 + ... + 21352.

It is an arithmetic number, because the mean of its divisors is an integer number (29196160).

Almost surely, 2^225663043 is an apocalyptic number.

225663043 is a deficient number, since it is larger than the sum of its proper divisors (7906237).

225663043 is a wasteful number, since it uses less digits than its factorization.

225663043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19617.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 225663043 is about 15022.0851748351. The cubic root of 225663043 is about 608.8170597952.

The spelling of 225663043 in words is "two hundred twenty-five million, six hundred sixty-three thousand, forty-three".