[go: up one dir, main page]

Search a number
-
+
4222243 is a prime number
BaseRepresentation
bin10000000110110100100011
321221111211101
4100012310203
52040102433
6230255231
750613514
oct20066443
97844741
104222243
112424263
1214b7517
13b4aa8c
147bca0b
1558607d
hex406d23

4222243 has 2 divisors, whose sum is σ = 4222244. Its totient is φ = 4222242.

The previous prime is 4222219. The next prime is 4222277. The reversal of 4222243 is 3422224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4222243 - 213 = 4214051 is a prime.

It is a d-powerful number, because it can be written as 42 + 25 + 213 + 221 + 221 + 42 + 39 .

4222243 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4222243.

It is not a weakly prime, because it can be changed into another prime (4222343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2111121 + 2111122.

It is an arithmetic number, because the mean of its divisors is an integer number (2111122).

Almost surely, 24222243 is an apocalyptic number.

4222243 is a deficient number, since it is larger than the sum of its proper divisors (1).

4222243 is an equidigital number, since it uses as much as digits as its factorization.

4222243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 19.

The square root of 4222243 is about 2054.8097235511. The cubic root of 4222243 is about 161.6271846524.

Subtracting from 4222243 its sum of digits (19), we obtain a palindrome (4222224).

Adding to 4222243 its reverse (3422224), we get a palindrome (7644467).

It can be divided in two parts, 4222 and 243, that added together give a triangular number (4465 = T94).

The spelling of 4222243 in words is "four million, two hundred twenty-two thousand, two hundred forty-three".