228944469 has 24 divisors (see below), whose sum is σ = 331929792. Its totient is φ = 140300160.

The previous prime is 228944459. The next prime is 228944483. The reversal of 228944469 is 964449822.

It is not a de Polignac number, because 228944469 - 2⁵ = 228944437 is a prime.

It is a super-2 number, since 2×228944469² = 104831139771383922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228944459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141664 + ... + 143270.

It is an arithmetic number, because the mean of its divisors is an integer number (13830408).

Almost surely, 2^228944469 is an apocalyptic number.

It is an amenable number.

228944469 is a deficient number, since it is larger than the sum of its proper divisors (102985323).

228944469 is a wasteful number, since it uses less digits than its factorization.

228944469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917 (or 1904 counting only the distinct ones).

The product of its digits is 995328, while the sum is 48.

The square root of 228944469 is about 15130.9110432915. The cubic root of 228944469 is about 611.7538605001.

The spelling of 228944469 in words is "two hundred twenty-eight million, nine hundred forty-four thousand, four hundred sixty-nine".