Search a number
-
+
22222000127 is a prime number
BaseRepresentation
bin10100101100100010…
…001100111111111111
32010100200121120101202
4110230202030333333
5331002313001002
614113022330115
71414452612245
oct245442147777
963320546352
1022222000127
119473815668
12438212993b
132131b3cc02
14110b44c795
158a0d81502
hex52c88cfff

22222000127 has 2 divisors, whose sum is σ = 22222000128. Its totient is φ = 22222000126.

The previous prime is 22222000117. The next prime is 22222000223. The reversal of 22222000127 is 72100022222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22222000127 - 234 = 5042130943 is a prime.

It is a super-2 number, since 2×222220001272 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22222000099 and 22222000108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22222000117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111000063 + 11111000064.

It is an arithmetic number, because the mean of its divisors is an integer number (11111000064).

Almost surely, 222222000127 is an apocalyptic number.

22222000127 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222000127 is an equidigital number, since it uses as much as digits as its factorization.

22222000127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 20.

Adding to 22222000127 its reverse (72100022222), we get a palindrome (94322022349).

The spelling of 22222000127 in words is "twenty-two billion, two hundred twenty-two million, one hundred twenty-seven", and thus it is an aban number.