225727748 has 6 divisors (see below), whose sum is σ = 395023566. Its totient is φ = 112863872.

The previous prime is 225727741. The next prime is 225727813. The reversal of 225727748 is 847727522.

It can be written as a sum of positive squares in only one way, i.e., 157301764 + 68425984 = 12542^2 + 8272^2 .

It is a junction number, because it is equal to n+sod(n) for n = 225727699 and 225727708.

It is not an unprimeable number, because it can be changed into a prime (225727741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28215965 + ... + 28215972.

It is an arithmetic number, because the mean of its divisors is an integer number (65837261).

Almost surely, 2^225727748 is an apocalyptic number.

It is an amenable number.

225727748 is a deficient number, since it is larger than the sum of its proper divisors (169295818).

225727748 is a wasteful number, since it uses less digits than its factorization.

225727748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56431941 (or 56431939 counting only the distinct ones).

The product of its digits is 439040, while the sum is 44.

The square root of 225727748 is about 15024.2386828751. The cubic root of 225727748 is about 608.8752435113.

The spelling of 225727748 in words is "two hundred twenty-five million, seven hundred twenty-seven thousand, seven hundred forty-eight".