2182198173228 has 84 divisors (see below), whose sum is σ = 5726260026088. Its totient is φ = 727322016960.

The previous prime is 2182198173173. The next prime is 2182198173241. The reversal of 2182198173228 is 8223718912812.

2182198173228 is a `hidden beast` number, since 21 + 8 + 219 + 81 + 7 + 322 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 31723800 + ... + 31792512.

Almost surely, 2^{2182198173228} is an apocalyptic number.

It is an amenable number.

2182198173228 is an abundant number, since it is smaller than the sum of its proper divisors (3544061852860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2182198173228 is a wasteful number, since it uses less digits than its factorization.

2182198173228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79626 (or 79609 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 54.

The spelling of 2182198173228 in words is "two trillion, one hundred eighty-two billion, one hundred ninety-eight million, one hundred seventy-three thousand, two hundred twenty-eight".