225740299 has 2 divisors, whose sum is σ = 225740300. Its totient is φ = 225740298.

The previous prime is 225740269. The next prime is 225740351. The reversal of 225740299 is 992047522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225740299 - 2²³ = 217351691 is a prime.

It is not a weakly prime, because it can be changed into another prime (225740269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112870149 + 112870150.

It is an arithmetic number, because the mean of its divisors is an integer number (112870150).

Almost surely, 2^225740299 is an apocalyptic number.

225740299 is a deficient number, since it is larger than the sum of its proper divisors (1).

225740299 is an equidigital number, since it uses as much as digits as its factorization.

225740299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 225740299 is about 15024.6563687826. The cubic root of 225740299 is about 608.8865282731.

The spelling of 225740299 in words is "two hundred twenty-five million, seven hundred forty thousand, two hundred ninety-nine".