225320741 has 4 divisors (see below), whose sum is σ = 232589184. Its totient is φ = 218052300.

The previous prime is 225320723. The next prime is 225320743. The reversal of 225320741 is 147023522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 147023522 = 2 ⋅73511761.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225320741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225320741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225320743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3634175 + ... + 3634236.

It is an arithmetic number, because the mean of its divisors is an integer number (58147296).

Almost surely, 2^225320741 is an apocalyptic number.

It is an amenable number.

225320741 is a deficient number, since it is larger than the sum of its proper divisors (7268443).

225320741 is an equidigital number, since it uses as much as digits as its factorization.

225320741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7268442.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 225320741 is about 15010.6875592026. The cubic root of 225320741 is about 608.5090714556.

The spelling of 225320741 in words is "two hundred twenty-five million, three hundred twenty thousand, seven hundred forty-one".