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2223220423 is a prime number
BaseRepresentation
bin1000010010000011…
…1010011011000111
312201221101022002011
42010200322123013
514023121023143
61004335155051
7106044030124
oct20440723307
95657338064
102223220423
11a40a4a456
12520675a87
132957a1858
141713a374b
15d02a6e9d
hex8483a6c7

2223220423 has 2 divisors, whose sum is σ = 2223220424. Its totient is φ = 2223220422.

The previous prime is 2223220393. The next prime is 2223220429. The reversal of 2223220423 is 3240223222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2223220423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2223220394 and 2223220403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2223220429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111610211 + 1111610212.

It is an arithmetic number, because the mean of its divisors is an integer number (1111610212).

Almost surely, 22223220423 is an apocalyptic number.

2223220423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223220423 is an equidigital number, since it uses as much as digits as its factorization.

2223220423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 2223220423 is about 47151.0384085017. The cubic root of 2223220423 is about 1305.1512423372.

Adding to 2223220423 its reverse (3240223222), we get a palindrome (5463443645).

The spelling of 2223220423 in words is "two billion, two hundred twenty-three million, two hundred twenty thousand, four hundred twenty-three".