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14225557 is a prime number
BaseRepresentation
bin110110010001…
…000010010101
3222202201210111
4312101002111
512120204212
61224523021
7231625633
oct66210225
928681714
1014225557
118036965
124920471
132c40cb8
141c64353
1513aeea7
hexd91095

14225557 has 2 divisors, whose sum is σ = 14225558. Its totient is φ = 14225556.

The previous prime is 14225551. The next prime is 14225581. The reversal of 14225557 is 75552241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8242641 + 5982916 = 2871^2 + 2446^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14225557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14225551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7112778 + 7112779.

It is an arithmetic number, because the mean of its divisors is an integer number (7112779).

Almost surely, 214225557 is an apocalyptic number.

It is an amenable number.

14225557 is a deficient number, since it is larger than the sum of its proper divisors (1).

14225557 is an equidigital number, since it uses as much as digits as its factorization.

14225557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14000, while the sum is 31.

The square root of 14225557 is about 3771.6782736601. The cubic root of 14225557 is about 242.3016807729.

Adding to 14225557 its reverse (75552241), we get a palindrome (89777798).

The spelling of 14225557 in words is "fourteen million, two hundred twenty-five thousand, five hundred fifty-seven".