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2274220 = 225138747
BaseRepresentation
bin1000101011001110101100
311021112122101
420223032230
51040233340
6120424444
725221244
oct10531654
94245571
102274220
111313723
12918124
136181c0
14432b24
152edc9a
hex22b3ac

2274220 has 24 divisors (see below), whose sum is σ = 5143824. Its totient is φ = 839616.

The previous prime is 2274203. The next prime is 2274221. The reversal of 2274220 is 224722.

2274220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2274221) 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 7 ways as a sum of consecutive naturals, for example, 4114 + ... + 4633.

It is an arithmetic number, because the mean of its divisors is an integer number (214326).

22274220 is an apocalyptic number.

2274220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2274220 is an abundant number, since it is smaller than the sum of its proper divisors (2869604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2274220 is a wasteful number, since it uses less digits than its factorization.

2274220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8769 (or 8767 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 2274220 is about 1508.0517232509. The cubic root of 2274220 is about 131.5055730698.

Adding to 2274220 its reverse (224722), we get a palindrome (2498942).

The spelling of 2274220 in words is "two million, two hundred seventy-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 8747 17494 34988 43735 87470 113711 174940 227422 454844 568555 1137110 2274220