228299844 has 12 divisors (see below), whose sum is σ = 532699664. Its totient is φ = 76099944.

The previous prime is 228299843. The next prime is 228299867. The reversal of 228299844 is 448992822.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 228299793 and 228299802.

It is not an unprimeable number, because it can be changed into a prime (228299843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9512482 + ... + 9512505.

Almost surely, 2^228299844 is an apocalyptic number.

It is an amenable number.

228299844 is an abundant number, since it is smaller than the sum of its proper divisors (304399820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228299844 is a wasteful number, since it uses less digits than its factorization.

228299844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19024994 (or 19024992 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The square root of 228299844 is about 15109.5944353249. The cubic root of 228299844 is about 611.1791614162.

The spelling of 228299844 in words is "two hundred twenty-eight million, two hundred ninety-nine thousand, eight hundred forty-four".