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4420231 is a prime number
BaseRepresentation
bin10000110111001010000111
322022120102021
4100313022013
52112421411
6234424011
752366654
oct20671207
98276367
104420231
112549a92
121592007
13bb9c2a
14830c2b
155c4a71
hex437287

4420231 has 2 divisors, whose sum is σ = 4420232. Its totient is φ = 4420230.

The previous prime is 4420219. The next prime is 4420249. The reversal of 4420231 is 1320244.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4420231 is a prime.

It is a super-2 number, since 2×44202312 = 39076884186722, which contains 22 as substring.

4420231 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4420831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2210115 + 2210116.

It is an arithmetic number, because the mean of its divisors is an integer number (2210116).

Almost surely, 24420231 is an apocalyptic number.

4420231 is a deficient number, since it is larger than the sum of its proper divisors (1).

4420231 is an equidigital number, since it uses as much as digits as its factorization.

4420231 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 16.

The square root of 4420231 is about 2102.4345411927. The cubic root of 4420231 is about 164.1150169772.

Adding to 4420231 its reverse (1320244), we get a palindrome (5740475).

The spelling of 4420231 in words is "four million, four hundred twenty thousand, two hundred thirty-one".