228458336 has 12 divisors (see below), whose sum is σ = 449777412. Its totient is φ = 114229152.

The previous prime is 228458327. The next prime is 228458341. The reversal of 228458336 is 633854822.

It is a super-2 number, since 2×228458336² = 104386422575777792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 228458293 and 228458302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3569630 + ... + 3569693.

It is an arithmetic number, because the mean of its divisors is an integer number (37481451).

Almost surely, 2^228458336 is an apocalyptic number.

It is an amenable number.

228458336 is a deficient number, since it is larger than the sum of its proper divisors (221319076).

228458336 is an equidigital number, since it uses as much as digits as its factorization.

228458336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7139333 (or 7139325 counting only the distinct ones).

The product of its digits is 276480, while the sum is 41.

The square root of 228458336 is about 15114.8382723733. The cubic root of 228458336 is about 611.3205611337.

The spelling of 228458336 in words is "two hundred twenty-eight million, four hundred fifty-eight thousand, three hundred thirty-six".