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22722270097 is a prime number
BaseRepresentation
bin10101001010010110…
…100101001110010001
32011122112221220210011
4111022112211032101
5333013400120342
614234413034521
71433036052262
oct251226451621
964575856704
1022722270097
11970014691a
1244a1785a41
1321b168ab47
141157a74969
158cec4e717
hex54a5a5391

22722270097 has 2 divisors, whose sum is σ = 22722270098. Its totient is φ = 22722270096.

The previous prime is 22722270049. The next prime is 22722270113. The reversal of 22722270097 is 79007222722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14724366336 + 7997903761 = 121344^2 + 89431^2 .

It is a cyclic number.

It is not a de Polignac number, because 22722270097 - 227 = 22588052369 is a prime.

It is a super-2 number, since 2×227222700972 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22722270007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11361135048 + 11361135049.

It is an arithmetic number, because the mean of its divisors is an integer number (11361135049).

Almost surely, 222722270097 is an apocalyptic number.

It is an amenable number.

22722270097 is a deficient number, since it is larger than the sum of its proper divisors (1).

22722270097 is an equidigital number, since it uses as much as digits as its factorization.

22722270097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784, while the sum is 40.

The spelling of 22722270097 in words is "twenty-two billion, seven hundred twenty-two million, two hundred seventy thousand, ninety-seven".