Search a number
-
+
4420001 is a prime number
BaseRepresentation
bin10000110111000110100001
322022120002202
4100313012201
52112420001
6234422545
752366205
oct20670641
98276082
104420001
1125498a3
121591a55
13bb9ab1
14830b05
155c496b
hex4371a1

4420001 has 2 divisors, whose sum is σ = 4420002. Its totient is φ = 4420000.

The previous prime is 4419991. The next prime is 4420019. The reversal of 4420001 is 1000244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4389025 + 30976 = 2095^2 + 176^2 .

It is a cyclic number.

It is not a de Polignac number, because 4420001 - 26 = 4419937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4420081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2210000 + 2210001.

It is an arithmetic number, because the mean of its divisors is an integer number (2210001).

Almost surely, 24420001 is an apocalyptic number.

It is an amenable number.

4420001 is a deficient number, since it is larger than the sum of its proper divisors (1).

4420001 is an equidigital number, since it uses as much as digits as its factorization.

4420001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 4420001 is about 2102.3798419886. The cubic root of 4420001 is about 164.1121704360.

Adding to 4420001 its reverse (1000244), we get a palindrome (5420245).

The spelling of 4420001 in words is "four million, four hundred twenty thousand, one".