225552233 has 2 divisors, whose sum is σ = 225552234. Its totient is φ = 225552232.

The previous prime is 225552199. The next prime is 225552241. The reversal of 225552233 is 332255522.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195664144 + 29888089 = 13988^2 + 5467^2 .

It is a cyclic number.

It is not a de Polignac number, because 225552233 - 2¹² = 225548137 is a prime.

It is a super-2 number, since 2×225552233² = 101747619622572578, which contains 22 as substring.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 225552196 and 225552205.

It is not a weakly prime, because it can be changed into another prime (225552253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112776116 + 112776117.

It is an arithmetic number, because the mean of its divisors is an integer number (112776117).

Almost surely, 2^225552233 is an apocalyptic number.

It is an amenable number.

225552233 is a deficient number, since it is larger than the sum of its proper divisors (1).

225552233 is an equidigital number, since it uses as much as digits as its factorization.

225552233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18000, while the sum is 29.

The square root of 225552233 is about 15018.3964856439. The cubic root of 225552233 is about 608.7173919262.

The spelling of 225552233 in words is "two hundred twenty-five million, five hundred fifty-two thousand, two hundred thirty-three".