Search a number
-
+
2223407 is a prime number
BaseRepresentation
bin1000011110110100101111
311011221221102
420132310233
51032122112
6115353315
724620144
oct10366457
94157842
102223407
11128952a
128b283b
135cb034
1441c3cb
152ddbc2
hex21ed2f

2223407 has 2 divisors, whose sum is σ = 2223408. Its totient is φ = 2223406.

The previous prime is 2223391. The next prime is 2223421. The reversal of 2223407 is 7043222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2223407 - 24 = 2223391 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2223457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111703 + 1111704.

It is an arithmetic number, because the mean of its divisors is an integer number (1111704).

22223407 is an apocalyptic number.

2223407 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223407 is an equidigital number, since it uses as much as digits as its factorization.

2223407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 2223407 is about 1491.1093185947. The cubic root of 2223407 is about 130.5187751596.

Adding to 2223407 its reverse (7043222), we get a palindrome (9266629).

The spelling of 2223407 in words is "two million, two hundred twenty-three thousand, four hundred seven".