Search a number
-
+
22122168829 is a prime number
BaseRepresentation
bin10100100110100101…
…011000000111111101
32010002201202121121021
4110212211120013331
5330301233400304
614055054504141
71412131222015
oct244645300775
963081677537
1022122168829
119422429962
124354805051
132117258137
1410dc0a2c45
15897211a54
hex5269581fd

22122168829 has 2 divisors, whose sum is σ = 22122168830. Its totient is φ = 22122168828.

The previous prime is 22122168769. The next prime is 22122168839. The reversal of 22122168829 is 92886122122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20360436100 + 1761732729 = 142690^2 + 41973^2 .

It is a cyclic number.

It is not a de Polignac number, because 22122168829 - 215 = 22122136061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22122168839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061084414 + 11061084415.

It is an arithmetic number, because the mean of its divisors is an integer number (11061084415).

Almost surely, 222122168829 is an apocalyptic number.

It is an amenable number.

22122168829 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122168829 is an equidigital number, since it uses as much as digits as its factorization.

22122168829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 43.

The spelling of 22122168829 in words is "twenty-two billion, one hundred twenty-two million, one hundred sixty-eight thousand, eight hundred twenty-nine".