228999944 has 8 divisors (see below), whose sum is σ = 429374910. Its totient is φ = 114499968.

The previous prime is 228999899. The next prime is 228999959. The reversal of 228999944 is 449999822.

It can be written as a sum of positive squares in only one way, i.e., 192155044 + 36844900 = 13862^2 + 6070^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 228999944.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14312489 + ... + 14312504.

Almost surely, 2^228999944 is an apocalyptic number.

It is an amenable number.

228999944 is a deficient number, since it is larger than the sum of its proper divisors (200374966).

228999944 is a wasteful number, since it uses less digits than its factorization.

228999944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28624999 (or 28624995 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 56.

The square root of 228999944 is about 15132.7441001294. The cubic root of 228999944 is about 611.8032673932.

The spelling of 228999944 in words is "two hundred twenty-eight million, nine hundred ninety-nine thousand, nine hundred forty-four".