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22022023217 is a prime number
BaseRepresentation
bin10100100000100111…
…010110100000110001
32002211202022200122112
4110200213112200301
5330100114220332
614041120215105
71406504052215
oct244047264061
962752280575
1022022023217
119380948a97
12432716a495
1320cc59328c
1410cca74945
1588d52ddb2
hex5209d6831

22022023217 has 2 divisors, whose sum is σ = 22022023218. Its totient is φ = 22022023216.

The previous prime is 22022023181. The next prime is 22022023249. The reversal of 22022023217 is 71232022022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20444424256 + 1577598961 = 142984^2 + 39719^2 .

It is a cyclic number.

It is not a de Polignac number, because 22022023217 - 212 = 22022019121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22022023192 and 22022023201.

It is not a weakly prime, because it can be changed into another prime (22022023267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011011608 + 11011011609.

It is an arithmetic number, because the mean of its divisors is an integer number (11011011609).

Almost surely, 222022023217 is an apocalyptic number.

It is an amenable number.

22022023217 is a deficient number, since it is larger than the sum of its proper divisors (1).

22022023217 is an equidigital number, since it uses as much as digits as its factorization.

22022023217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 23.

Adding to 22022023217 its reverse (71232022022), we get a palindrome (93254045239).

The spelling of 22022023217 in words is "twenty-two billion, twenty-two million, twenty-three thousand, two hundred seventeen".