218027241 has 8 divisors (see below), whose sum is σ = 323003360. Its totient is φ = 145351476.

The previous prime is 218027233. The next prime is 218027267. The reversal of 218027241 is 142720812.

It is not a de Polignac number, because 218027241 - 2³ = 218027233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 8075083 = 218027241 / (2 + 1 + 8 + 0 + 2 + 7 + 2 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (218027221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4037515 + ... + 4037568.

It is an arithmetic number, because the mean of its divisors is an integer number (40375420).

Almost surely, 2^218027241 is an apocalyptic number.

It is an amenable number.

218027241 is a deficient number, since it is larger than the sum of its proper divisors (104976119).

218027241 is an equidigital number, since it uses as much as digits as its factorization.

218027241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8075092 (or 8075086 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 218027241 is about 14765.7455280795. The cubic root of 218027241 is about 601.8712330778.

The spelling of 218027241 in words is "two hundred eighteen million, twenty-seven thousand, two hundred forty-one".