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1222633 is a prime number
BaseRepresentation
bin100101010011111101001
32022010010201
410222133221
5303111013
642112201
713251346
oct4523751
92263121
101222633
11765645
124ab661
1333a669
1423b7cd
151923dd
hex12a7e9

1222633 has 2 divisors, whose sum is σ = 1222634. Its totient is φ = 1222632.

The previous prime is 1222603. The next prime is 1222643. The reversal of 1222633 is 3362221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1065024 + 157609 = 1032^2 + 397^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222633 - 25 = 1222601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222633.

It is not a weakly prime, because it can be changed into another prime (1222603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611316 + 611317.

It is an arithmetic number, because the mean of its divisors is an integer number (611317).

21222633 is an apocalyptic number.

It is an amenable number.

1222633 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222633 is an equidigital number, since it uses as much as digits as its factorization.

1222633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 19.

The square root of 1222633 is about 1105.7273624181. The cubic root of 1222633 is about 106.9297876930.

Adding to 1222633 its reverse (3362221), we get a palindrome (4584854).

The spelling of 1222633 in words is "one million, two hundred twenty-two thousand, six hundred thirty-three".