228884769 has 12 divisors (see below), whose sum is σ = 330849792. Its totient is φ = 152479800.

The previous prime is 228884731. The next prime is 228884807. The reversal of 228884769 is 967488822.

It is an interprime number because it is at equal distance from previous prime (228884731) and next prime (228884807).

It is not a de Polignac number, because 228884769 - 2¹⁶ = 228819233 is a prime.

It is a super-2 number, since 2×228884769² = 104776474960366722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228884729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5184 + ... + 22014.

It is an arithmetic number, because the mean of its divisors is an integer number (27570816).

Almost surely, 2^228884769 is an apocalyptic number.

It is an amenable number.

228884769 is a deficient number, since it is larger than the sum of its proper divisors (101965023).

228884769 is a wasteful number, since it uses less digits than its factorization.

228884769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18348 (or 18345 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 228884769 is about 15128.9381319377. The cubic root of 228884769 is about 611.7006818399.

The spelling of 228884769 in words is "two hundred twenty-eight million, eight hundred eighty-four thousand, seven hundred sixty-nine".