228871767 has 4 divisors (see below), whose sum is σ = 305162360. Its totient is φ = 152581176.

The previous prime is 228871759. The next prime is 228871787. The reversal of 228871767 is 767178822.

It is a happy number.

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

It is not a de Polignac number, because 228871767 - 2³ = 228871759 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 (228871787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38145292 + ... + 38145297.

It is an arithmetic number, because the mean of its divisors is an integer number (76290590).

Almost surely, 2^228871767 is an apocalyptic number.

228871767 is a deficient number, since it is larger than the sum of its proper divisors (76290593).

228871767 is an equidigital number, since it uses as much as digits as its factorization.

228871767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76290592.

The product of its digits is 526848, while the sum is 48.

The square root of 228871767 is about 15128.5084195369. The cubic root of 228871767 is about 611.6890988893.

The spelling of 228871767 in words is "two hundred twenty-eight million, eight hundred seventy-one thousand, seven hundred sixty-seven".