228055998 has 8 divisors (see below), whose sum is σ = 456112008. Its totient is φ = 76018664.

The previous prime is 228055991. The next prime is 228055999. The reversal of 228055998 is 899550822.

It is a sphenic number, since it is the product of 3 distinct primes.

228055998 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228055991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19004661 + ... + 19004672.

It is an arithmetic number, because the mean of its divisors is an integer number (57014001).

Almost surely, 2^228055998 is an apocalyptic number.

228055998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

228055998 is a wasteful number, since it uses less digits than its factorization.

228055998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38009338.

The product of its (nonzero) digits is 518400, while the sum is 48.

The square root of 228055998 is about 15101.5230357736. The cubic root of 228055998 is about 610.9614846927.

The spelling of 228055998 in words is "two hundred twenty-eight million, fifty-five thousand, nine hundred ninety-eight".