225968740 has 12 divisors (see below), whose sum is σ = 474534396. Its totient is φ = 90387488.

The previous prime is 225968737. The next prime is 225968797. The reversal of 225968740 is 47869522.

It can be written as a sum of positive squares in 2 ways, for example, as 178275904 + 47692836 = 13352^2 + 6906^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5649199 + ... + 5649238.

It is an arithmetic number, because the mean of its divisors is an integer number (39544533).

Almost surely, 2^225968740 is an apocalyptic number.

225968740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225968740 is an abundant number, since it is smaller than the sum of its proper divisors (248565656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225968740 is a wasteful number, since it uses less digits than its factorization.

225968740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11298446 (or 11298444 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 225968740 is about 15032.2566502837. The cubic root of 225968740 is about 609.0918493947.

The spelling of 225968740 in words is "two hundred twenty-five million, nine hundred sixty-eight thousand, seven hundred forty".