228652811 has 2 divisors, whose sum is σ = 228652812. Its totient is φ = 228652810.

The previous prime is 228652769. The next prime is 228652813. The reversal of 228652811 is 118256822.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228652811 - 2⁶ = 228652747 is a prime.

Together with 228652813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (228652813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114326405 + 114326406.

It is an arithmetic number, because the mean of its divisors is an integer number (114326406).

Almost surely, 2^228652811 is an apocalyptic number.

228652811 is a deficient number, since it is larger than the sum of its proper divisors (1).

228652811 is an equidigital number, since it uses as much as digits as its factorization.

228652811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15360, while the sum is 35.

The square root of 228652811 is about 15121.2701516771. The cubic root of 228652811 is about 611.4939740050.

The spelling of 228652811 in words is "two hundred twenty-eight million, six hundred fifty-two thousand, eight hundred eleven".