225774293 has 2 divisors, whose sum is σ = 225774294. Its totient is φ = 225774292.

The previous prime is 225774253. The next prime is 225774299. The reversal of 225774293 is 392477522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141538609 + 84235684 = 11897^2 + 9178^2 .

It is a cyclic number.

It is not a de Polignac number, because 225774293 - 2²⁰ = 224725717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225774293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225774299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112887146 + 112887147.

It is an arithmetic number, because the mean of its divisors is an integer number (112887147).

Almost surely, 2^225774293 is an apocalyptic number.

It is an amenable number.

225774293 is a deficient number, since it is larger than the sum of its proper divisors (1).

225774293 is an equidigital number, since it uses as much as digits as its factorization.

225774293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 41.

The square root of 225774293 is about 15025.7875999896. The cubic root of 225774293 is about 608.9170906048.

The spelling of 225774293 in words is "two hundred twenty-five million, seven hundred seventy-four thousand, two hundred ninety-three".