225277223 has 2 divisors, whose sum is σ = 225277224. Its totient is φ = 225277222.

The previous prime is 225277211. The next prime is 225277229. The reversal of 225277223 is 322772522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225277223 - 2⁶ = 225277159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225277223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225277229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112638611 + 112638612.

It is an arithmetic number, because the mean of its divisors is an integer number (112638612).

Almost surely, 2^225277223 is an apocalyptic number.

225277223 is a deficient number, since it is larger than the sum of its proper divisors (1).

225277223 is an equidigital number, since it uses as much as digits as its factorization.

225277223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 32.

The square root of 225277223 is about 15009.2379220266. The cubic root of 225277223 is about 608.4698935224.

The spelling of 225277223 in words is "two hundred twenty-five million, two hundred seventy-seven thousand, two hundred twenty-three".