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14224157 is a prime number
BaseRepresentation
bin110110010000…
…101100011101
3222202122212122
4312100230131
512120133112
61224512325
7231621563
oct66205435
928678778
1014224157
118035902
12491b6a5
132c4047c
141c63a33
1513ae872
hexd90b1d

14224157 has 2 divisors, whose sum is σ = 14224158. Its totient is φ = 14224156.

The previous prime is 14224151. The next prime is 14224159. The reversal of 14224157 is 75142241.

14224157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13980121 + 244036 = 3739^2 + 494^2 .

It is a cyclic number.

It is not a de Polignac number, because 14224157 - 28 = 14223901 is a prime.

Together with 14224159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14224151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7112078 + 7112079.

It is an arithmetic number, because the mean of its divisors is an integer number (7112079).

Almost surely, 214224157 is an apocalyptic number.

It is an amenable number.

14224157 is a deficient number, since it is larger than the sum of its proper divisors (1).

14224157 is an equidigital number, since it uses as much as digits as its factorization.

14224157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2240, while the sum is 26.

The square root of 14224157 is about 3771.4926753210. The cubic root of 14224157 is about 242.2937318520.

Adding to 14224157 its reverse (75142241), we get a palindrome (89366398).

The spelling of 14224157 in words is "fourteen million, two hundred twenty-four thousand, one hundred fifty-seven".