228279998 has 8 divisors (see below), whose sum is σ = 345810600. Its totient is φ = 113009800.

The previous prime is 228279943. The next prime is 228280007. The reversal of 228279998 is 899972822.

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

It is a super-2 number, since 2×228279998² = 104223514973760008, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564848 + ... + 565251.

It is an arithmetic number, because the mean of its divisors is an integer number (43226325).

Almost surely, 2^228279998 is an apocalyptic number.

228279998 is a deficient number, since it is larger than the sum of its proper divisors (117530602).

228279998 is a wasteful number, since it uses less digits than its factorization.

228279998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130202.

The product of its digits is 2612736, while the sum is 56.

The square root of 228279998 is about 15108.9376860188. The cubic root of 228279998 is about 611.1614510622.

The spelling of 228279998 in words is "two hundred twenty-eight million, two hundred seventy-nine thousand, nine hundred ninety-eight".