228991598 has 64 divisors (see below), whose sum is σ = 420837120. Its totient is φ = 92198400.

The previous prime is 228991597. The next prime is 228991613. The reversal of 228991598 is 895199822.

228991598 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228991597) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 466133 + ... + 466623.

It is an arithmetic number, because the mean of its divisors is an integer number (6575580).

Almost surely, 2^228991598 is an apocalyptic number.

228991598 is a deficient number, since it is larger than the sum of its proper divisors (191845522).

228991598 is a wasteful number, since it uses less digits than its factorization.

228991598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593.

The product of its digits is 933120, while the sum is 53.

The square root of 228991598 is about 15132.4683379811. The cubic root of 228991598 is about 611.7958348265.

The spelling of 228991598 in words is "two hundred twenty-eight million, nine hundred ninety-one thousand, five hundred ninety-eight".