228197956208 has 40 divisors (see below), whose sum is σ = 451780994880. Its totient is φ = 111611897600.

The previous prime is 228197956097. The next prime is 228197956237. The reversal of 228197956208 is 802659791822.

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 7 ways as a sum of consecutive naturals, for example, 1349738 + ... + 1509366.

It is an arithmetic number, because the mean of its divisors is an integer number (11294524872).

Almost surely, 2^228197956208 is an apocalyptic number.

It is an amenable number.

228197956208 is a deficient number, since it is larger than the sum of its proper divisors (223583038672).

228197956208 is a wasteful number, since it uses less digits than its factorization.

228197956208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161585 (or 161579 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 228197956208 in words is "two hundred twenty-eight billion, one hundred ninety-seven million, nine hundred fifty-six thousand, two hundred eight".