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22233221971 is a prime number
BaseRepresentation
bin10100101101001101…
…000000101101010011
32010101110201200212121
4110231031000231103
5331013201100341
614114103035111
71414650161062
oct245515005523
963343650777
1022233221971
11947a08a814
124385a3ba97
13213426b95c
14110cb301d9
158a1d4b4d1
hex52d340b53

22233221971 has 2 divisors, whose sum is σ = 22233221972. Its totient is φ = 22233221970.

The previous prime is 22233221957. The next prime is 22233222017. The reversal of 22233221971 is 17912233222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22233221971 - 227 = 22099004243 is a prime.

It is not a weakly prime, because it can be changed into another prime (22233221921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11116610985 + 11116610986.

It is an arithmetic number, because the mean of its divisors is an integer number (11116610986).

Almost surely, 222233221971 is an apocalyptic number.

22233221971 is a deficient number, since it is larger than the sum of its proper divisors (1).

22233221971 is an equidigital number, since it uses as much as digits as its factorization.

22233221971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 34.

The spelling of 22233221971 in words is "twenty-two billion, two hundred thirty-three million, two hundred twenty-one thousand, nine hundred seventy-one".