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2232220231 is a prime number
BaseRepresentation
bin1000010100001100…
…1111101001000111
312202120022112111101
42011003033221013
514032422021411
61005300120531
7106213362463
oct20503175107
95676275441
102232220231
11a4603710a
12523696147
13297603097
141726674a3
15d0e838c1
hex850cfa47

2232220231 has 2 divisors, whose sum is σ = 2232220232. Its totient is φ = 2232220230.

The previous prime is 2232220229. The next prime is 2232220253. The reversal of 2232220231 is 1320222322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2232220231 - 21 = 2232220229 is a prime.

It is a super-3 number, since 3×22322202313 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 2232220229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2232220199 and 2232220208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2232220201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1116110115 + 1116110116.

It is an arithmetic number, because the mean of its divisors is an integer number (1116110116).

Almost surely, 22232220231 is an apocalyptic number.

2232220231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2232220231 is an equidigital number, since it uses as much as digits as its factorization.

2232220231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2232220231 is about 47246.3779669934. The cubic root of 2232220231 is about 1306.9099967742.

Adding to 2232220231 its reverse (1320222322), we get a palindrome (3552442553).

The spelling of 2232220231 in words is "two billion, two hundred thirty-two million, two hundred twenty thousand, two hundred thirty-one".