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2242655 = 5448531
BaseRepresentation
bin1000100011100001011111
311012221100022
420203201133
51033231110
6120022355
725030232
oct10434137
94187308
102242655
1112a1a38
129019bb
13606a1c
14425419
152e4755
hex22385f

2242655 has 4 divisors (see below), whose sum is σ = 2691192. Its totient is φ = 1794120.

The previous prime is 2242651. The next prime is 2242663. The reversal of 2242655 is 5562422.

2242655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5562422 = 22781211.

It is not a de Polignac number, because 2242655 - 22 = 2242651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224261 + ... + 224270.

It is an arithmetic number, because the mean of its divisors is an integer number (672798).

22242655 is an apocalyptic number.

2242655 is a deficient number, since it is larger than the sum of its proper divisors (448537).

2242655 is an equidigital number, since it uses as much as digits as its factorization.

2242655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448536.

The product of its digits is 4800, while the sum is 26.

The square root of 2242655 is about 1497.5496652866. The cubic root of 2242655 is about 130.8943265271.

The spelling of 2242655 in words is "two million, two hundred forty-two thousand, six hundred fifty-five".

Divisors: 1 5 448531 2242655