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2229457 = 4154377
BaseRepresentation
bin1000100000010011010001
311012021020111
420200103101
51032320312
6115441321
724643606
oct10402321
94167214
102229457
11129302a
128b6241
13600a09
144206ad
152e08a7
hex2204d1

2229457 has 4 divisors (see below), whose sum is σ = 2283876. Its totient is φ = 2175040.

The previous prime is 2229419. The next prime is 2229467. The reversal of 2229457 is 7549222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 938961 + 1290496 = 969^2 + 1136^2 .

It is a cyclic number.

It is not a de Polignac number, because 2229457 - 211 = 2227409 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 217 + 220 + 220 + 9 + 44 + 54 + 73 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2229407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27148 + ... + 27229.

It is an arithmetic number, because the mean of its divisors is an integer number (570969).

22229457 is an apocalyptic number.

It is an amenable number.

2229457 is a deficient number, since it is larger than the sum of its proper divisors (54419).

2229457 is an equidigital number, since it uses as much as digits as its factorization.

2229457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54418.

The product of its digits is 10080, while the sum is 31.

The square root of 2229457 is about 1493.1366313904. The cubic root of 2229457 is about 130.6370506194.

The spelling of 2229457 in words is "two million, two hundred twenty-nine thousand, four hundred fifty-seven".

Divisors: 1 41 54377 2229457