228046028 has 24 divisors (see below), whose sum is σ = 466701312. Its totient is φ = 95460624.

The previous prime is 228046001. The next prime is 228046031. The reversal of 228046028 is 820640822.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 228045985 and 228046003.

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, 93500 + ... + 95907.

It is an arithmetic number, because the mean of its divisors is an integer number (19445888).

Almost surely, 2^228046028 is an apocalyptic number.

228046028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

228046028 is an abundant number, since it is smaller than the sum of its proper divisors (238655284).

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

228046028 is a wasteful number, since it uses less digits than its factorization.

228046028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189461 (or 189459 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 228046028 is about 15101.1929330103. The cubic root of 228046028 is about 610.9525813608.

The spelling of 228046028 in words is "two hundred twenty-eight million, forty-six thousand, twenty-eight".