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444022223 is a prime number
BaseRepresentation
bin11010011101110…
…011110111001111
31010221111122222112
4122131303313033
51402132202343
6112020534235
714001061301
oct3235636717
91127448875
10444022223
11208703517
1210485137b
1370cb5b58
1442d83971
1528eac218
hex1a773dcf

444022223 has 2 divisors, whose sum is σ = 444022224. Its totient is φ = 444022222.

The previous prime is 444022177. The next prime is 444022247. The reversal of 444022223 is 322220444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 444022223 - 28 = 444021967 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444027223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222011111 + 222011112.

It is an arithmetic number, because the mean of its divisors is an integer number (222011112).

Almost surely, 2444022223 is an apocalyptic number.

444022223 is a deficient number, since it is larger than the sum of its proper divisors (1).

444022223 is an equidigital number, since it uses as much as digits as its factorization.

444022223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 444022223 is about 21071.8348275607. The cubic root of 444022223 is about 762.9010903520.

Adding to 444022223 its reverse (322220444), we get a palindrome (766242667).

The spelling of 444022223 in words is "four hundred forty-four million, twenty-two thousand, two hundred twenty-three".