225746204322513 has 32 divisors (see below), whose sum is σ = 351019301632000. Its totient is φ = 128996068734288.

The previous prime is 225746204322421. The next prime is 225746204322521. The reversal of 225746204322513 is 315223402647522.

It is not a de Polignac number, because 225746204322513 - 2⁸ = 225746204322257 is a prime.

It is a super-2 number, since 2×225746204322513² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (225746204322523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75795270 + ... + 78717312.

It is an arithmetic number, because the mean of its divisors is an integer number (10969353176000).

Almost surely, 2^{225746204322513} is an apocalyptic number.

It is an amenable number.

225746204322513 is a deficient number, since it is larger than the sum of its proper divisors (125273097309487).

225746204322513 is an equidigital number, since it uses as much as digits as its factorization.

225746204322513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997146 (or 2997132 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 48.

The spelling of 225746204322513 in words is "two hundred twenty-five trillion, seven hundred forty-six billion, two hundred four million, three hundred twenty-two thousand, five hundred thirteen".