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2224247 is a prime number
BaseRepresentation
bin1000011111000001110111
311012000002112
420133001313
51032133442
6115401235
724622454
oct10370167
94160075
102224247
11128a123
128b321b
135cb52c
1441c82b
152de082
hex21f077

2224247 has 2 divisors, whose sum is σ = 2224248. Its totient is φ = 2224246.

The previous prime is 2224231. The next prime is 2224259. The reversal of 2224247 is 7424222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2224247 - 24 = 2224231 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 (2224267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112123 + 1112124.

It is an arithmetic number, because the mean of its divisors is an integer number (1112124).

22224247 is an apocalyptic number.

2224247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2224247 is an equidigital number, since it uses as much as digits as its factorization.

2224247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1792, while the sum is 23.

The square root of 2224247 is about 1491.3909614853. The cubic root of 2224247 is about 130.5352096927.

Adding to 2224247 its reverse (7424222), we get a palindrome (9648469).

The spelling of 2224247 in words is "two million, two hundred twenty-four thousand, two hundred forty-seven".