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22751 is a prime number
BaseRepresentation
bin101100011011111
31011012122
411203133
51212001
6253155
7123221
oct54337
934178
1022751
1116103
12111bb
13a481
148411
156b1b
hex58df

22751 has 2 divisors, whose sum is σ = 22752. Its totient is φ = 22750.

The previous prime is 22741. The next prime is 22769. The reversal of 22751 is 15722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22751 - 210 = 21727 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a plaindrome in base 12 and base 16.

It is a nialpdrome in base 14.

It is a zygodrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11375 + 11376.

It is an arithmetic number, because the mean of its divisors is an integer number (11376).

222751 is an apocalyptic number.

22751 is a deficient number, since it is larger than the sum of its proper divisors (1).

22751 is an equidigital number, since it uses as much as digits as its factorization.

22751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 140, while the sum is 17.

The square root of 22751 is about 150.8343462213. The cubic root of 22751 is about 28.3356707030.

The spelling of 22751 in words is "twenty-two thousand, seven hundred fifty-one".