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22012097 is a prime number
BaseRepresentation
bin101001111111…
…0000011000001
31112102022220212
41103332003001
521113341342
62103443505
7355046132
oct123760301
945368825
1022012097
1111475018
127456595
134739213
142ccdc89
151dec182
hex14fe0c1

22012097 has 2 divisors, whose sum is σ = 22012098. Its totient is φ = 22012096.

The previous prime is 22012079. The next prime is 22012099. The reversal of 22012097 is 79021022.

Together with previous prime (22012079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19439281 + 2572816 = 4409^2 + 1604^2 .

It is a cyclic number.

It is not a de Polignac number, because 22012097 - 214 = 21995713 is a prime.

Together with 22012099, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22012099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006048 + 11006049.

It is an arithmetic number, because the mean of its divisors is an integer number (11006049).

Almost surely, 222012097 is an apocalyptic number.

It is an amenable number.

22012097 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012097 is an equidigital number, since it uses as much as digits as its factorization.

22012097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 22012097 is about 4691.7051271366. The cubic root of 22012097 is about 280.2552816396.

The spelling of 22012097 in words is "twenty-two million, twelve thousand, ninety-seven".