228978698 has 32 divisors (see below), whose sum is σ = 382166400. Its totient is φ = 102223296.

The previous prime is 228978697. The next prime is 228978719. The reversal of 228978698 is 896879822.

It is not an unprimeable number, because it can be changed into a prime (228978697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120923 + ... + 122801.

It is an arithmetic number, because the mean of its divisors is an integer number (11942700).

Almost surely, 2^228978698 is an apocalyptic number.

228978698 is a deficient number, since it is larger than the sum of its proper divisors (153187702).

228978698 is a wasteful number, since it uses less digits than its factorization.

228978698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046.

The product of its digits is 6967296, while the sum is 59.

The square root of 228978698 is about 15132.0420961614. The cubic root of 228978698 is about 611.7843463199.

The spelling of 228978698 in words is "two hundred twenty-eight million, nine hundred seventy-eight thousand, six hundred ninety-eight".