228963071 has 4 divisors (see below), whose sum is σ = 228999144. Its totient is φ = 228927000.

The previous prime is 228963043. The next prime is 228963083. The reversal of 228963071 is 170369822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228963071 - 2²⁶ = 161854207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228903071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5705 + ... + 22146.

It is an arithmetic number, because the mean of its divisors is an integer number (57249786).

Almost surely, 2^228963071 is an apocalyptic number.

228963071 is a deficient number, since it is larger than the sum of its proper divisors (36073).

228963071 is an equidigital number, since it uses as much as digits as its factorization.

228963071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36072.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 228963071 is about 15131.5257327211. The cubic root of 228963071 is about 611.7704286184.

The spelling of 228963071 in words is "two hundred twenty-eight million, nine hundred sixty-three thousand, seventy-one".