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14227420 = 225711371
BaseRepresentation
bin110110010001…
…011111011100
3222202211100111
4312101133130
512120234140
61224535404
7231634234
oct66213734
928684314
1014227420
1180382a9
124921564
132c41abc
141c64cc4
1513b07ea
hexd917dc

14227420 has 12 divisors (see below), whose sum is σ = 29877624. Its totient is φ = 5690960.

The previous prime is 14227397. The next prime is 14227439. The reversal of 14227420 is 2472241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 14227391 and 14227400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355666 + ... + 355705.

It is an arithmetic number, because the mean of its divisors is an integer number (2489802).

Almost surely, 214227420 is an apocalyptic number.

14227420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14227420 is an abundant number, since it is smaller than the sum of its proper divisors (15650204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14227420 is a wasteful number, since it uses less digits than its factorization.

14227420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711380 (or 711378 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 14227420 is about 3771.9252378593. The cubic root of 14227420 is about 242.3122577067.

Adding to 14227420 its reverse (2472241), we get a palindrome (16699661).

The spelling of 14227420 in words is "fourteen million, two hundred twenty-seven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 711371 1422742 2845484 3556855 7113710 14227420