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222122023 is a prime number
BaseRepresentation
bin11010011110101…
…01000000100111
3120110221222010121
431033111000213
5423330401043
634012502411
75335002034
oct1517250047
9513858117
10222122023
11104422622
126247aa07
1337031566
142170038b
1514778ded
hexd3d5027

222122023 has 2 divisors, whose sum is σ = 222122024. Its totient is φ = 222122022.

The previous prime is 222121981. The next prime is 222122039. The reversal of 222122023 is 320221222.

222122023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (222122039) can be obtained adding 222122023 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-222122023 is a prime.

It is a super-2 number, since 2×2221220232 = 98676386203225058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222121988 and 222122006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222122623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111061011 + 111061012.

It is an arithmetic number, because the mean of its divisors is an integer number (111061012).

Almost surely, 2222122023 is an apocalyptic number.

222122023 is a deficient number, since it is larger than the sum of its proper divisors (1).

222122023 is an equidigital number, since it uses as much as digits as its factorization.

222122023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 222122023 is about 14903.7586869890. The cubic root of 222122023 is about 605.6158135561.

Adding to 222122023 its reverse (320221222), we get a palindrome (542343245).

The spelling of 222122023 in words is "two hundred twenty-two million, one hundred twenty-two thousand, twenty-three".