Search a number
-
+
4219219 is a prime number
BaseRepresentation
bin10000000110000101010011
321221100200101
4100012011103
52040003334
6230233231
750601634
oct20060523
97840611
104219219
112421a64
1214b5817
13b495a4
147bb88b
15585214
hex406153

4219219 has 2 divisors, whose sum is σ = 4219220. Its totient is φ = 4219218.

The previous prime is 4219217. The next prime is 4219231. The reversal of 4219219 is 9129124.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4219219 - 21 = 4219217 is a prime.

It is a super-2 number, since 2×42192192 = 35603617939922, which contains 22 as substring.

Together with 4219217, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4219211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2109609 + 2109610.

It is an arithmetic number, because the mean of its divisors is an integer number (2109610).

Almost surely, 24219219 is an apocalyptic number.

4219219 is a deficient number, since it is larger than the sum of its proper divisors (1).

4219219 is an equidigital number, since it uses as much as digits as its factorization.

4219219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 28.

The square root of 4219219 is about 2054.0737571957. The cubic root of 4219219 is about 161.5885892631.

The spelling of 4219219 in words is "four million, two hundred nineteen thousand, two hundred nineteen".