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22048361 is a prime number
BaseRepresentation
bin101010000011…
…0111001101001
31112111011122222
41110012321221
521121021421
62104323425
7355256636
oct124067151
945434588
1022048361
111149a295
127473575
13474c88a
142cdd18d
151e07cab
hex1506e69

22048361 has 2 divisors, whose sum is σ = 22048362. Its totient is φ = 22048360.

The previous prime is 22048357. The next prime is 22048363. The reversal of 22048361 is 16384022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12709225 + 9339136 = 3565^2 + 3056^2 .

It is a cyclic number.

It is not a de Polignac number, because 22048361 - 22 = 22048357 is a prime.

It is a super-2 number, since 2×220483612 = 972260445572642, which contains 22 as substring.

Together with 22048363, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22048361.

It is not a weakly prime, because it can be changed into another prime (22048363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11024180 + 11024181.

It is an arithmetic number, because the mean of its divisors is an integer number (11024181).

Almost surely, 222048361 is an apocalyptic number.

It is an amenable number.

22048361 is a deficient number, since it is larger than the sum of its proper divisors (1).

22048361 is an equidigital number, since it uses as much as digits as its factorization.

22048361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 22048361 is about 4695.5682297247. The cubic root of 22048361 is about 280.4091001135.

The spelling of 22048361 in words is "twenty-two million, forty-eight thousand, three hundred sixty-one".