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14220431 is a prime number
BaseRepresentation
bin110110001111…
…110010001111
3222202110202122
4312033302033
512120023211
61224443155
7231604661
oct66176217
928673678
1014220431
118033025
1249194bb
132c3b874
141c62531
1513ad6db
hexd8fc8f

14220431 has 2 divisors, whose sum is σ = 14220432. Its totient is φ = 14220430.

The previous prime is 14220419. The next prime is 14220439. The reversal of 14220431 is 13402241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14220431 - 210 = 14219407 is a prime.

It is a super-2 number, since 2×142204312 = 404441315651522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14220439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7110215 + 7110216.

It is an arithmetic number, because the mean of its divisors is an integer number (7110216).

Almost surely, 214220431 is an apocalyptic number.

14220431 is a deficient number, since it is larger than the sum of its proper divisors (1).

14220431 is an equidigital number, since it uses as much as digits as its factorization.

14220431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 14220431 is about 3770.9986740915. The cubic root of 14220431 is about 242.2725738252.

Adding to 14220431 its reverse (13402241), we get a palindrome (27622672).

The spelling of 14220431 in words is "fourteen million, two hundred twenty thousand, four hundred thirty-one".