228241811 has 12 divisors (see below), whose sum is σ = 272686512. Its totient is φ = 187126896.

The previous prime is 228241777. The next prime is 228241817. The reversal of 228241811 is 118142822.

It is not a de Polignac number, because 228241811 - 2¹⁸ = 227979667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228241817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27116 + ... + 34521.

It is an arithmetic number, because the mean of its divisors is an integer number (22723876).

Almost surely, 2^228241811 is an apocalyptic number.

228241811 is a deficient number, since it is larger than the sum of its proper divisors (44444701).

228241811 is an equidigital number, since it uses as much as digits as its factorization.

228241811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61690 (or 61667 counting only the distinct ones).

The product of its digits is 2048, while the sum is 29.

The square root of 228241811 is about 15107.6739109633. The cubic root of 228241811 is about 611.1273705120.

The spelling of 228241811 in words is "two hundred twenty-eight million, two hundred forty-one thousand, eight hundred eleven".