Search a number
-
+
22112369 is a prime number
BaseRepresentation
bin101010001011…
…0100001110001
31112121102110122
41110112201301
521130043434
62105540025
7355644356
oct124264161
945542418
1022112369
1111533394
1274a4615
134772a56
142d1862d
151e1bc2e
hex1516871

22112369 has 2 divisors, whose sum is σ = 22112370. Its totient is φ = 22112368.

The previous prime is 22112353. The next prime is 22112381. The reversal of 22112369 is 96321122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21967969 + 144400 = 4687^2 + 380^2 .

It is a cyclic number.

It is not a de Polignac number, because 22112369 - 24 = 22112353 is a prime.

It is a super-2 number, since 2×221123692 = 977913725584322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22112309) 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, 11056184 + 11056185.

It is an arithmetic number, because the mean of its divisors is an integer number (11056185).

Almost surely, 222112369 is an apocalyptic number.

It is an amenable number.

22112369 is a deficient number, since it is larger than the sum of its proper divisors (1).

22112369 is an equidigital number, since it uses as much as digits as its factorization.

22112369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 26.

The square root of 22112369 is about 4702.3790787217. The cubic root of 22112369 is about 280.6801873099.

The spelling of 22112369 in words is "twenty-two million, one hundred twelve thousand, three hundred sixty-nine".