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1225223 is a prime number
BaseRepresentation
bin100101011001000000111
32022020200122
410223020013
5303201343
642132155
713262036
oct4531007
92266618
101225223
1176758a
124b105b
1333b8ac
1423c71d
15193068
hex12b207

1225223 has 2 divisors, whose sum is σ = 1225224. Its totient is φ = 1225222.

The previous prime is 1225219. The next prime is 1225261. The reversal of 1225223 is 3225221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1225223 - 22 = 1225219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612611 + 612612.

It is an arithmetic number, because the mean of its divisors is an integer number (612612).

21225223 is an apocalyptic number.

1225223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225223 is an equidigital number, since it uses as much as digits as its factorization.

1225223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240, while the sum is 17.

The square root of 1225223 is about 1106.8979176058. The cubic root of 1225223 is about 107.0052403757.

The spelling of 1225223 in words is "one million, two hundred twenty-five thousand, two hundred twenty-three".