Search a number
-
+
222022220231 = 724531065719
BaseRepresentation
bin1100111011000110001…
…1100011100111000111
3210020002002222101101202
43032301203203213013
512114200142021411
6245555014413115
722016626506500
oct3166143434707
9706062871352
10222022220231
1186182834209
123704296119b
1317c23951016
14aa62ba7ba7
155b969e183b
hex33b18e39c7

222022220231 has 6 divisors (see below), whose sum is σ = 258270746040. Its totient is φ = 190304760156.

The previous prime is 222022220197. The next prime is 222022220249. The reversal of 222022220231 is 132022220222.

It is not a de Polignac number, because 222022220231 - 214 = 222022203847 is a prime.

It is a super-2 number, since 2×2220222202312 (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 (222022250231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2265532811 + ... + 2265532908.

It is an arithmetic number, because the mean of its divisors is an integer number (43045124340).

Almost surely, 2222022220231 is an apocalyptic number.

222022220231 is a deficient number, since it is larger than the sum of its proper divisors (36248525809).

222022220231 is an equidigital number, since it uses as much as digits as its factorization.

222022220231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4531065733 (or 4531065726 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 222022220231 its reverse (132022220222), we get a palindrome (354044440453).

Subtracting from 222022220231 its reverse (132022220222), we obtain a palindrome (90000000009).

The spelling of 222022220231 in words is "two hundred twenty-two billion, twenty-two million, two hundred twenty thousand, two hundred thirty-one".

Divisors: 1 7 49 4531065719 31717460033 222022220231