Search a number
-
+
222120222331 = 7831999191249
BaseRepresentation
bin1100111011011101100…
…1011001111001111011
3210020022221101102000011
43032313121121321323
512114400234103311
6250012435122351
722022226511060
oct3166731317173
9706287342004
10222120222331
1186223090687
123706b7433b7
1317c3b045327
14aa71bd8c67
155ba03ee321
hex33b7659e7b

222120222331 has 16 divisors (see below), whose sum is σ = 257040000000. Its totient is φ = 187999843968.

The previous prime is 222120222307. The next prime is 222120222347. The reversal of 222120222331 is 133222021222.

It is a cyclic number.

It is not a de Polignac number, because 222120222331 - 219 = 222119698043 is a prime.

It is a super-2 number, since 2×2221202223312 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222120222371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1065795 + ... + 1257043.

It is an arithmetic number, because the mean of its divisors is an integer number (16065000000).

Almost surely, 2222120222331 is an apocalyptic number.

222120222331 is a deficient number, since it is larger than the sum of its proper divisors (34919777669).

222120222331 is a wasteful number, since it uses less digits than its factorization.

222120222331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193338.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 222120222331 its reverse (133222021222), we get a palindrome (355342243553).

The spelling of 222120222331 in words is "two hundred twenty-two billion, one hundred twenty million, two hundred twenty-two thousand, three hundred thirty-one".

Divisors: 1 7 83 581 1999 13993 165917 191249 1161419 1338743 15873667 111115669 382306751 2676147257 31731460333 222120222331