225206233 has 4 divisors (see below), whose sum is σ = 257378560. Its totient is φ = 193033908.

The previous prime is 225206231. The next prime is 225206237. The reversal of 225206233 is 332602522.

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 not a de Polignac number, because 225206233 - 2¹ = 225206231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225206198 and 225206207.

It is not an unprimeable number, because it can be changed into a prime (225206231) 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, 16086153 + ... + 16086166.

It is an arithmetic number, because the mean of its divisors is an integer number (64344640).

Almost surely, 2^225206233 is an apocalyptic number.

It is an amenable number.

225206233 is a deficient number, since it is larger than the sum of its proper divisors (32172327).

225206233 is an equidigital number, since it uses as much as digits as its factorization.

225206233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32172326.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 225206233 is about 15006.8728587937. The cubic root of 225206233 is about 608.4059725524.

Adding to 225206233 its reverse (332602522), we get a palindrome (557808755).

The spelling of 225206233 in words is "two hundred twenty-five million, two hundred six thousand, two hundred thirty-three".