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22022330081 is a prime number
BaseRepresentation
bin10100100000101000…
…100001011011100001
32002211202220021120212
4110200220201123201
5330100204030311
614041130543505
71406506500653
oct244050413341
962752807525
1022022330081
1193810385a4
124327297b95
1320cc66cb5b
1410ccb146d3
1588d58ec8b
hex520a216e1

22022330081 has 2 divisors, whose sum is σ = 22022330082. Its totient is φ = 22022330080.

The previous prime is 22022330069. The next prime is 22022330119. The reversal of 22022330081 is 18003322022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16368643600 + 5653686481 = 127940^2 + 75191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22022330081 is a prime.

It is a super-2 number, since 2×220223300812 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22022335081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011165040 + 11011165041.

It is an arithmetic number, because the mean of its divisors is an integer number (11011165041).

Almost surely, 222022330081 is an apocalyptic number.

It is an amenable number.

22022330081 is a deficient number, since it is larger than the sum of its proper divisors (1).

22022330081 is an equidigital number, since it uses as much as digits as its factorization.

22022330081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The spelling of 22022330081 in words is "twenty-two billion, twenty-two million, three hundred thirty thousand, eighty-one".