227885243455 has 4 divisors (see below), whose sum is σ = 273462292152. Its totient is φ = 182308194760.

The previous prime is 227885243419. The next prime is 227885243459. The reversal of 227885243455 is 554342588722.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 227885243455 - 2¹⁵ = 227885210687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 227885243396 and 227885243405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227885243459) 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, 22788524341 + ... + 22788524350.

It is an arithmetic number, because the mean of its divisors is an integer number (68365573038).

Almost surely, 2^227885243455 is an apocalyptic number.

227885243455 is a deficient number, since it is larger than the sum of its proper divisors (45577048697).

227885243455 is an equidigital number, since it uses as much as digits as its factorization.

227885243455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45577048696.

The product of its digits is 21504000, while the sum is 55.

The spelling of 227885243455 in words is "two hundred twenty-seven billion, eight hundred eighty-five million, two hundred forty-three thousand, four hundred fifty-five".