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2221253 is a prime number
BaseRepresentation
bin1000011110010011000101
311011211222122
420132103011
51032040003
6115335325
724610646
oct10362305
94154878
102221253
111287951
128b1545
135ca068
1441b6cd
152dd238
hex21e4c5

2221253 has 2 divisors, whose sum is σ = 2221254. Its totient is φ = 2221252.

The previous prime is 2221249. The next prime is 2221259. The reversal of 2221253 is 3521222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1387684 + 833569 = 1178^2 + 913^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221253 - 22 = 2221249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110626 + 1110627.

It is an arithmetic number, because the mean of its divisors is an integer number (1110627).

22221253 is an apocalyptic number.

It is an amenable number.

2221253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221253 is an equidigital number, since it uses as much as digits as its factorization.

2221253 is an evil number, because the sum of its binary digits is even.

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

The square root of 2221253 is about 1490.3868625293. The cubic root of 2221253 is about 130.4766133965.

Adding to 2221253 its reverse (3521222), we get a palindrome (5742475).

The spelling of 2221253 in words is "two million, two hundred twenty-one thousand, two hundred fifty-three".