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2223469 is a prime number
BaseRepresentation
bin1000011110110101101101
311011222000201
420132311231
51032122334
6115353501
724620263
oct10366555
94158021
102223469
111289586
128b2891
135cb081
1441c433
152ddc14
hex21ed6d

2223469 has 2 divisors, whose sum is σ = 2223470. Its totient is φ = 2223468.

The previous prime is 2223467. The next prime is 2223493. The reversal of 2223469 is 9643222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1562500 + 660969 = 1250^2 + 813^2 .

It is a cyclic number.

It is not a de Polignac number, because 2223469 - 21 = 2223467 is a prime.

It is a super-2 number, since 2×22234692 = 9887628787922, which contains 22 as substring.

Together with 2223467, it forms a pair of twin primes.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2223467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111734 + 1111735.

It is an arithmetic number, because the mean of its divisors is an integer number (1111735).

22223469 is an apocalyptic number.

It is an amenable number.

2223469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223469 is an equidigital number, since it uses as much as digits as its factorization.

2223469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 2223469 is about 1491.1301083407. The cubic root of 2223469 is about 130.5199883262.

The spelling of 2223469 in words is "two million, two hundred twenty-three thousand, four hundred sixty-nine".