228826111 has 2 divisors, whose sum is σ = 228826112. Its totient is φ = 228826110.

The previous prime is 228826079. The next prime is 228826121. The reversal of 228826111 is 111628822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228826111 - 2⁵ = 228826079 is a prime.

It is a super-2 number, since 2×228826111² = 104722778150768642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228826121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114413055 + 114413056.

It is an arithmetic number, because the mean of its divisors is an integer number (114413056).

Almost surely, 2^228826111 is an apocalyptic number.

228826111 is a deficient number, since it is larger than the sum of its proper divisors (1).

228826111 is an equidigital number, since it uses as much as digits as its factorization.

228826111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 31.

The square root of 228826111 is about 15126.9994050373. Note that the first 3 decimals coincide. The cubic root of 228826111 is about 611.6484223494.

The spelling of 228826111 in words is "two hundred twenty-eight million, eight hundred twenty-six thousand, one hundred eleven".