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2242193 = 2977317
BaseRepresentation
bin1000100011011010010001
311012220201012
420203122101
51033222233
6120020305
725026002
oct10433221
94186635
102242193
1112a1658
12901695
13606755
144251a9
152e4548
hex223691

2242193 has 4 divisors (see below), whose sum is σ = 2319540. Its totient is φ = 2164848.

The previous prime is 2242189. The next prime is 2242211. The reversal of 2242193 is 3912422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3912422 = 21956211.

It can be written as a sum of positive squares in 2 ways, for example, as 1364224 + 877969 = 1168^2 + 937^2 .

It is a cyclic number.

It is not a de Polignac number, because 2242193 - 22 = 2242189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2242993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38630 + ... + 38687.

It is an arithmetic number, because the mean of its divisors is an integer number (579885).

22242193 is an apocalyptic number.

It is an amenable number.

2242193 is a deficient number, since it is larger than the sum of its proper divisors (77347).

2242193 is an equidigital number, since it uses as much as digits as its factorization.

2242193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77346.

The product of its digits is 864, while the sum is 23.

The square root of 2242193 is about 1497.3954053623. The cubic root of 2242193 is about 130.8853375785.

The spelling of 2242193 in words is "two million, two hundred forty-two thousand, one hundred ninety-three".

Divisors: 1 29 77317 2242193