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212202022223 is a prime number
BaseRepresentation
bin1100010110100000111…
…0011110010101001111
3202021201201112122020102
43011220032132111033
511434042204202343
6241252333441315
721221364266552
oct3055016362517
9667651478212
10212202022223
1181aa3567094
123516204023b
131701a298579
14a3b088a699
1557be7ed3b8
hex316839e54f

212202022223 has 2 divisors, whose sum is σ = 212202022224. Its totient is φ = 212202022222.

The previous prime is 212202022159. The next prime is 212202022243. The reversal of 212202022223 is 322220202212.

It is an a-pointer prime, because the next prime (212202022243) can be obtained adding 212202022223 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212202022223 - 26 = 212202022159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212202022195 and 212202022204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212202022243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106101011111 + 106101011112.

It is an arithmetic number, because the mean of its divisors is an integer number (106101011112).

Almost surely, 2212202022223 is an apocalyptic number.

212202022223 is a deficient number, since it is larger than the sum of its proper divisors (1).

212202022223 is an equidigital number, since it uses as much as digits as its factorization.

212202022223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 212202022223 its reverse (322220202212), we get a palindrome (534422224435).

The spelling of 212202022223 in words is "two hundred twelve billion, two hundred two million, twenty-two thousand, two hundred twenty-three".