225305699 has 2 divisors, whose sum is σ = 225305700. Its totient is φ = 225305698.

The previous prime is 225305693. The next prime is 225305713. The reversal of 225305699 is 996503522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225305699 - 2¹⁶ = 225240163 is a prime.

It is not a weakly prime, because it can be changed into another prime (225305693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112652849 + 112652850.

It is an arithmetic number, because the mean of its divisors is an integer number (112652850).

Almost surely, 2^225305699 is an apocalyptic number.

225305699 is a deficient number, since it is larger than the sum of its proper divisors (1).

225305699 is an equidigital number, since it uses as much as digits as its factorization.

225305699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 41.

The square root of 225305699 is about 15010.1865078353. The cubic root of 225305699 is about 608.4955301705.

The spelling of 225305699 in words is "two hundred twenty-five million, three hundred five thousand, six hundred ninety-nine".