228958910181 has 12 divisors (see below), whose sum is σ = 330818716800. Its totient is φ = 152592985320.

The previous prime is 228958910153. The next prime is 228958910197. The reversal of 228958910181 is 181019859822.

It is not a de Polignac number, because 228958910181 - 2⁵ = 228958910149 is a prime.

It is a super-2 number, since 2×228958910181² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228958110181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3826005 + ... + 3885386.

It is an arithmetic number, because the mean of its divisors is an integer number (27568226400).

Almost surely, 2^228958910181 is an apocalyptic number.

It is an amenable number.

228958910181 is a deficient number, since it is larger than the sum of its proper divisors (101859806619).

228958910181 is a wasteful number, since it uses less digits than its factorization.

228958910181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7714696 (or 7714693 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 54.

The spelling of 228958910181 in words is "two hundred twenty-eight billion, nine hundred fifty-eight million, nine hundred ten thousand, one hundred eighty-one".