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2222223002981 is a prime number
BaseRepresentation
bin100000010101100110110…
…100000000110101100101
321212102221112122001111222
4200111212310000311211
5242402103042043411
64420513011110125
7316356520602152
oct40254664006545
97772845561458
102222223002981
11787491a52053
122ba821ba2345
13131729984a47
14797b01a1229
153cc124304db
hex20566d00d65

2222223002981 has 2 divisors, whose sum is σ = 2222223002982. Its totient is φ = 2222223002980.

The previous prime is 2222223002947. The next prime is 2222223003017. The reversal of 2222223002981 is 1892003222222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1363698450625 + 858524552356 = 1167775^2 + 926566^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2222223002981 is a prime.

It is a super-2 number, since 2×22222230029812 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222223001981) 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 as a sum of consecutive naturals, namely, 1111111501490 + 1111111501491.

It is an arithmetic number, because the mean of its divisors is an integer number (1111111501491).

Almost surely, 22222223002981 is an apocalyptic number.

It is an amenable number.

2222223002981 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222223002981 is an equidigital number, since it uses as much as digits as its factorization.

2222223002981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 2222223002981 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-three million, two thousand, nine hundred eighty-one".