225735745 has 16 divisors (see below), whose sum is σ = 277894800. Its totient is φ = 175961344.

The previous prime is 225735733. The next prime is 225735749. The reversal of 225735745 is 547537522.

It can be written as a sum of positive squares in 8 ways, for example, as 3964081 + 221771664 = 1991^2 + 14892^2 .

It is a cyclic number.

It is not a de Polignac number, because 225735745 - 2²¹ = 223638593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225735698 and 225735707.

It is not an unprimeable number, because it can be changed into a prime (225735749) 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 in 15 ways as a sum of consecutive naturals, for example, 36627 + ... + 42343.

It is an arithmetic number, because the mean of its divisors is an integer number (17368425).

Almost surely, 2^225735745 is an apocalyptic number.

It is an amenable number.

225735745 is a deficient number, since it is larger than the sum of its proper divisors (52159055).

225735745 is a wasteful number, since it uses less digits than its factorization.

225735745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5924.

The product of its digits is 294000, while the sum is 40.

The square root of 225735745 is about 15024.5048171312. The cubic root of 225735745 is about 608.8824337628.

The spelling of 225735745 in words is "two hundred twenty-five million, seven hundred thirty-five thousand, seven hundred forty-five".