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222001013230001 = 1181187977149221
BaseRepresentation
bin110010011110100010100011…
…100010001000100110110001
31002010001002102022111211110022
4302132202203202020212301
5213044231033341330001
62104053505121413225
764522021030220015
oct6236424342104661
91063032368454408
10222001013230001
1164811112460935
1220a9534a19a215
1396b47b49c6c55
143cb6c99124545
151a9eb50d4911b
hexc9e8a38889b1

222001013230001 has 4 divisors (see below), whose sum is σ = 222188990380404. Its totient is φ = 221813036079600.

The previous prime is 222001013229973. The next prime is 222001013230021. The reversal of 222001013230001 is 100032310100222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 199563511623025 + 22437501606976 = 14126695^2 + 4736824^2 .

It is a cyclic number.

It is not a de Polignac number, because 222001013230001 - 222 = 222001009035697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222001013230021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93988573430 + ... + 93988575791.

It is an arithmetic number, because the mean of its divisors is an integer number (55547247595101).

Almost surely, 2222001013230001 is an apocalyptic number.

It is an amenable number.

222001013230001 is a deficient number, since it is larger than the sum of its proper divisors (187977150403).

222001013230001 is a wasteful number, since it uses less digits than its factorization.

222001013230001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187977150402.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 222001013230001 its reverse (100032310100222), we get a palindrome (322033323330223).

The spelling of 222001013230001 in words is "two hundred twenty-two trillion, one billion, thirteen million, two hundred thirty thousand, one".

Divisors: 1 1181 187977149221 222001013230001