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2226430402561 is a prime number
BaseRepresentation
bin100000011001100001100…
…101111110000000000001
321212211210202121002201001
4200121201211332000001
5242434212140340221
64422450310212001
7316566010112221
oct40314145760001
97784722532631
102226430402561
11789250a12692
122bb5b7054001
13131c4a5517b1
1479a8cca2081
153cdab9c2391
hex2066197e001

2226430402561 has 2 divisors, whose sum is σ = 2226430402562. Its totient is φ = 2226430402560.

The previous prime is 2226430402549. The next prime is 2226430402579. The reversal of 2226430402561 is 1652040346222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1597392654400 + 629037748161 = 1263880^2 + 793119^2 .

It is a cyclic number.

It is not a de Polignac number, because 2226430402561 - 25 = 2226430402529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2226430402561.

It is not a weakly prime, because it can be changed into another prime (2226430402501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113215201280 + 1113215201281.

It is an arithmetic number, because the mean of its divisors is an integer number (1113215201281).

Almost surely, 22226430402561 is an apocalyptic number.

It is an amenable number.

2226430402561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2226430402561 is an equidigital number, since it uses as much as digits as its factorization.

2226430402561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 2226430402561 its reverse (1652040346222), we get a palindrome (3878470748783).

The spelling of 2226430402561 in words is "two trillion, two hundred twenty-six billion, four hundred thirty million, four hundred two thousand, five hundred sixty-one".