227385641 has 4 divisors (see below), whose sum is σ = 259869312. Its totient is φ = 194901972.

The previous prime is 227385629. The next prime is 227385647. The reversal of 227385641 is 146583722.

It is a happy number.

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: 146583722 = 2 ⋅73291861.

It is a cyclic number.

It is not a de Polignac number, because 227385641 - 2¹⁰ = 227384617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 227385595 and 227385604.

It is not an unprimeable number, because it can be changed into a prime (227385647) 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 3 ways as a sum of consecutive naturals, for example, 16241825 + ... + 16241838.

It is an arithmetic number, because the mean of its divisors is an integer number (64967328).

Almost surely, 2^227385641 is an apocalyptic number.

It is an amenable number.

227385641 is a deficient number, since it is larger than the sum of its proper divisors (32483671).

227385641 is an equidigital number, since it uses as much as digits as its factorization.

227385641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32483670.

The product of its digits is 80640, while the sum is 38.

The square root of 227385641 is about 15079.3116885354. The cubic root of 227385641 is about 610.3622689112.

The spelling of 227385641 in words is "two hundred twenty-seven million, three hundred eighty-five thousand, six hundred forty-one".