Search a number
-
+
2220307 is a prime number
BaseRepresentation
bin1000011110000100010011
311011210200121
420132010103
51032022212
6115331111
724605125
oct10360423
94153617
102220307
111287171
128b0a97
135c97bb
1441b215
152dcd07
hex21e113

2220307 has 2 divisors, whose sum is σ = 2220308. Its totient is φ = 2220306.

The previous prime is 2220301. The next prime is 2220311. The reversal of 2220307 is 7030222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2220307 is a prime.

It is not a weakly prime, because it can be changed into another prime (2220301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110153 + 1110154.

It is an arithmetic number, because the mean of its divisors is an integer number (1110154).

22220307 is an apocalyptic number.

2220307 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220307 is an equidigital number, since it uses as much as digits as its factorization.

2220307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 2220307 is about 1490.0694614682. The cubic root of 2220307 is about 130.4580880563.

Adding to 2220307 its reverse (7030222), we get a palindrome (9250529).

The spelling of 2220307 in words is "two million, two hundred twenty thousand, three hundred seven".