Search a number
-
+
22261482979 is a prime number
BaseRepresentation
bin10100101110111000…
…110100010111100011
32010110102220111200121
4110232320310113203
5331042414423404
614120552501111
71415442324511
oct245670642743
963412814617
1022261482979
11949403271a
1243933aa797
13213a085248
1411127a94b1
158a457ee54
hex52ee345e3

22261482979 has 2 divisors, whose sum is σ = 22261482980. Its totient is φ = 22261482978.

The previous prime is 22261482977. The next prime is 22261483003. The reversal of 22261482979 is 97928416222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22261482979 - 21 = 22261482977 is a prime.

Together with 22261482977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22261482977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11130741489 + 11130741490.

It is an arithmetic number, because the mean of its divisors is an integer number (11130741490).

Almost surely, 222261482979 is an apocalyptic number.

22261482979 is a deficient number, since it is larger than the sum of its proper divisors (1).

22261482979 is an equidigital number, since it uses as much as digits as its factorization.

22261482979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 52.

The spelling of 22261482979 in words is "twenty-two billion, two hundred sixty-one million, four hundred eighty-two thousand, nine hundred seventy-nine".