228165151 has 2 divisors, whose sum is σ = 228165152. Its totient is φ = 228165150.

The previous prime is 228165131. The next prime is 228165169. The reversal of 228165151 is 151561822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228165151 - 2¹⁵ = 228132383 is a prime.

It is a super-2 number, since 2×228165151² = 104118672261705602, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228165131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114082575 + 114082576.

It is an arithmetic number, because the mean of its divisors is an integer number (114082576).

Almost surely, 2^228165151 is an apocalyptic number.

228165151 is a deficient number, since it is larger than the sum of its proper divisors (1).

228165151 is an equidigital number, since it uses as much as digits as its factorization.

228165151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 31.

The square root of 228165151 is about 15105.1365766748. The cubic root of 228165151 is about 611.0589426896.

The spelling of 228165151 in words is "two hundred twenty-eight million, one hundred sixty-five thousand, one hundred fifty-one".