228276037197 has 18 divisors (see below), whose sum is σ = 355104097166. Its totient is φ = 140474381040.

The previous prime is 228276037177. The next prime is 228276037229. The reversal of 228276037197 is 791730672822.

228276037197 is a `hidden beast` number, since 2 + 2 + 8 + 27 + 603 + 7 + 1 + 9 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 158037256521 + 70238780676 = 397539^2 + 265026^2 .

It is not a de Polignac number, because 228276037197 - 2⁶ = 228276037133 is a prime.

It is a super-3 number, since 3×228276037197³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228276037117) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5145922 + ... + 5190092.

Almost surely, 2^228276037197 is an apocalyptic number.

It is an amenable number.

228276037197 is a deficient number, since it is larger than the sum of its proper divisors (126828059969).

228276037197 is an frugal number, since it uses more digits than its factorization.

228276037197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88361 (or 44187 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The spelling of 228276037197 in words is "two hundred twenty-eight billion, two hundred seventy-six million, thirty-seven thousand, one hundred ninety-seven".