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802222641461 is a prime number
BaseRepresentation
bin10111010110010000011…
…00100001000100110101
32211200200021102121212202
423223020030201010311
5101120422444011321
61412311435154245
7111646552641203
oct13531014410465
92750607377782
10802222641461
1128a24784916a
1210b5868a5985
135a8595a7837
142ab83618073
1515d034d270b
hexbac8321135

802222641461 has 2 divisors, whose sum is σ = 802222641462. Its totient is φ = 802222641460.

The previous prime is 802222641403. The next prime is 802222641587. The reversal of 802222641461 is 164146222208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 624564606436 + 177658035025 = 790294^2 + 421495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-802222641461 is a prime.

It is a super-2 number, since 2×8022226414612 (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 (802222641361) 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, 401111320730 + 401111320731.

It is an arithmetic number, because the mean of its divisors is an integer number (401111320731).

Almost surely, 2802222641461 is an apocalyptic number.

It is an amenable number.

802222641461 is a deficient number, since it is larger than the sum of its proper divisors (1).

802222641461 is an equidigital number, since it uses as much as digits as its factorization.

802222641461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 38.

Adding to 802222641461 its reverse (164146222208), we get a palindrome (966368863669).

The spelling of 802222641461 in words is "eight hundred two billion, two hundred twenty-two million, six hundred forty-one thousand, four hundred sixty-one".