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2223601 = 3077243
BaseRepresentation
bin1000011110110111110001
311011222012121
420132313301
51032123401
6115354241
724620542
oct10366761
94158177
102223601
111289696
128b2981
135cb153
1441c4c9
152ddca1
hex21edf1

2223601 has 4 divisors (see below), whose sum is σ = 2231152. Its totient is φ = 2216052.

The previous prime is 2223587. The next prime is 2223607. The reversal of 2223601 is 1063222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1063222 = 2531611.

It is a cyclic number.

It is not a de Polignac number, because 2223601 - 217 = 2092529 is a prime.

It is a Duffinian number.

2223601 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2223607) 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 in 3 ways as a sum of consecutive naturals, for example, 3315 + ... + 3928.

It is an arithmetic number, because the mean of its divisors is an integer number (557788).

22223601 is an apocalyptic number.

It is an amenable number.

2223601 is a deficient number, since it is larger than the sum of its proper divisors (7551).

2223601 is an equidigital number, since it uses as much as digits as its factorization.

2223601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7550.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2223601 is about 1491.1743694149. The cubic root of 2223601 is about 130.5225711217.

Adding to 2223601 its reverse (1063222), we get a palindrome (3286823).

The spelling of 2223601 in words is "two million, two hundred twenty-three thousand, six hundred one".

Divisors: 1 307 7243 2223601