Search a number
-
+
222101220201222 = 23311754036807709
BaseRepresentation
bin110010011111111111111000…
…010101011001001100000110
31002010101200001220121101211210
4302133333320111121030012
5213102401244332414342
62104211520400512250
764532166166346115
oct6237777025311406
91063350056541753
10222101220201222
116484a66470052a
1220ab085531b686
1396c1094361a6b
143cbba8385dc7c
151aa256831879c
hexc9fff8559306

222101220201222 has 32 divisors (see below), whose sum is σ = 458534232898560. Its totient is φ = 71645135916960.

The previous prime is 222101220201221. The next prime is 222101220201239. The reversal of 222101220201222 is 222102022101222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222101220201221) 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, 29221104 + ... + 36028812.

It is an arithmetic number, because the mean of its divisors is an integer number (14329194778080).

Almost surely, 2222101220201222 is an apocalyptic number.

222101220201222 is an abundant number, since it is smaller than the sum of its proper divisors (236433012697338).

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

222101220201222 is a wasteful number, since it uses less digits than its factorization.

222101220201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6983148.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222101220201222 its reverse (222102022101222), we get a palindrome (444203242302444).

The spelling of 222101220201222 in words is "two hundred twenty-two trillion, one hundred one billion, two hundred twenty million, two hundred one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 31 62 93 186 175403 350806 526209 1052418 5437493 6807709 10874986 13615418 16312479 20423127 32624958 40846254 211038979 422077958 633116937 1266233874 1194092581727 2388185163454 3582277745181 7164555490362 37016870033537 74033740067074 111050610100611 222101220201222