228932869 has 8 divisors (see below), whose sum is σ = 260603712. Its totient is φ = 199071840.

The previous prime is 228932797. The next prime is 228932909. The reversal of 228932869 is 968239822.

228932869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 228932869 - 2²¹ = 226835717 is a prime.

It is a super-2 number, since 2×228932869² = 104820517017142322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228935869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452184 + ... + 452689.

It is an arithmetic number, because the mean of its divisors is an integer number (32575464).

Almost surely, 2^228932869 is an apocalyptic number.

It is an amenable number.

228932869 is a deficient number, since it is larger than the sum of its proper divisors (31670843).

228932869 is a wasteful number, since it uses less digits than its factorization.

228932869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904907.

The product of its digits is 746496, while the sum is 49.

The square root of 228932869 is about 15130.5277171684. The cubic root of 228932869 is about 611.7435283518.

The spelling of 228932869 in words is "two hundred twenty-eight million, nine hundred thirty-two thousand, eight hundred sixty-nine".