Search a number
-
+
2122222441 is a prime number
BaseRepresentation
bin111111001111110…
…1000101101101001
312110220100001220011
41332133220231221
513321242104231
6550330331521
7103406410303
oct17637505551
95426301804
102122222441
11999a37149
124b2889ba1
1327a89ba31
14161bd2973
15c64a69b1
hex7e7e8b69

2122222441 has 2 divisors, whose sum is σ = 2122222442. Its totient is φ = 2122222440.

The previous prime is 2122222429. The next prime is 2122222469. The reversal of 2122222441 is 1442222212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1376113216 + 746109225 = 37096^2 + 27315^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122222441 - 221 = 2120125289 is a prime.

It is not a weakly prime, because it can be changed into another prime (2122222471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061111220 + 1061111221.

It is an arithmetic number, because the mean of its divisors is an integer number (1061111221).

Almost surely, 22122222441 is an apocalyptic number.

It is an amenable number.

2122222441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122222441 is an equidigital number, since it uses as much as digits as its factorization.

2122222441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1024, while the sum is 22.

The square root of 2122222441 is about 46067.5855781481. The cubic root of 2122222441 is about 1285.0804031508.

Adding to 2122222441 its reverse (1442222212), we get a palindrome (3564444653).

The spelling of 2122222441 in words is "two billion, one hundred twenty-two million, two hundred twenty-two thousand, four hundred forty-one".