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2274409 is a prime number
BaseRepresentation
bin1000101011010001101001
311021112220101
420223101221
51040240114
6120425401
725221634
oct10532151
94245811
102274409
111313885
12918261
13618307
14432c1b
152edd74
hex22b469

2274409 has 2 divisors, whose sum is σ = 2274410. Its totient is φ = 2274408.

The previous prime is 2274407. The next prime is 2274421. The reversal of 2274409 is 9044722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2039184 + 235225 = 1428^2 + 485^2 .

It is a cyclic number.

It is not a de Polignac number, because 2274409 - 21 = 2274407 is a prime.

Together with 2274407, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2274407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1137204 + 1137205.

It is an arithmetic number, because the mean of its divisors is an integer number (1137205).

22274409 is an apocalyptic number.

It is an amenable number.

2274409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2274409 is an equidigital number, since it uses as much as digits as its factorization.

2274409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2274409 is about 1508.1143855822. The cubic root of 2274409 is about 131.5092159107.

The spelling of 2274409 in words is "two million, two hundred seventy-four thousand, four hundred nine".