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14075221 is a prime number
BaseRepresentation
bin110101101100…
…010101010101
3222111002120111
4311230111111
512100401341
61221403021
7230431426
oct65542525
928432514
1014075221
117a43a16
124869471
132bba744
141c2564d
151380681
hexd6c555

14075221 has 2 divisors, whose sum is σ = 14075222. Its totient is φ = 14075220.

The previous prime is 14075189. The next prime is 14075227. The reversal of 14075221 is 12257041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11222500 + 2852721 = 3350^2 + 1689^2 .

It is an emirp because it is prime and its reverse (12257041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14075221 - 25 = 14075189 is a prime.

It is a super-2 number, since 2×140752212 = 396223692397682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14075192 and 14075201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14075227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7037610 + 7037611.

It is an arithmetic number, because the mean of its divisors is an integer number (7037611).

Almost surely, 214075221 is an apocalyptic number.

It is an amenable number.

14075221 is a deficient number, since it is larger than the sum of its proper divisors (1).

14075221 is an equidigital number, since it uses as much as digits as its factorization.

14075221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 14075221 is about 3751.6957499243. The cubic root of 14075221 is about 241.4451063818.

The spelling of 14075221 in words is "fourteen million, seventy-five thousand, two hundred twenty-one".