Search a number
-
+
222031022231 = 834513959263
BaseRepresentation
bin1100111011001000010…
…1001000100010010111
3210020002201112120110202
43032302011020202113
512114204420202411
6245555531211115
722020064356344
oct3166205104227
9706081476422
10222031022231
11861877a6297
12370458a6a9b
1317c257134c5
14aa640197cb
155b9767e83b
hex33b2148897

222031022231 has 8 divisors (see below), whose sum is σ = 224714864640. Its totient is φ = 219347388792.

The previous prime is 222031022221. The next prime is 222031022303. The reversal of 222031022231 is 132220130222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222031022231 - 26 = 222031022167 is a prime.

It is a super-2 number, since 2×2220310222312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222031022201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3716906 + ... + 3776168.

It is an arithmetic number, because the mean of its divisors is an integer number (28089358080).

Almost surely, 2222031022231 is an apocalyptic number.

222031022231 is a deficient number, since it is larger than the sum of its proper divisors (2683842409).

222031022231 is an equidigital number, since it uses as much as digits as its factorization.

222031022231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104485.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 222031022231 its reverse (132220130222), we get a palindrome (354251152453).

The spelling of 222031022231 in words is "two hundred twenty-two billion, thirty-one million, twenty-two thousand, two hundred thirty-one".

Divisors: 1 83 45139 59263 3746537 4918829 2675072557 222031022231