228643104 has 48 divisors (see below), whose sum is σ = 619557120. Its totient is φ = 73754880.

The previous prime is 228643097. The next prime is 228643111. The reversal of 228643104 is 401346822.

It is an interprime number because it is at equal distance from previous prime (228643097) and next prime (228643111).

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35439 + ... + 41390.

It is an arithmetic number, because the mean of its divisors is an integer number (12907440).

Almost surely, 2^228643104 is an apocalyptic number.

228643104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

228643104 is an abundant number, since it is smaller than the sum of its proper divisors (390914016).

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

228643104 is a wasteful number, since it uses less digits than its factorization.

228643104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76873 (or 76865 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 228643104 is about 15120.9491765563. The cubic root of 228643104 is about 611.4853206293.

Adding to 228643104 its reverse (401346822), we get a palindrome (629989926).

The spelling of 228643104 in words is "two hundred twenty-eight million, six hundred forty-three thousand, one hundred four".