Search a number
-
+
2226549 = 313371543
BaseRepresentation
bin1000011111100101110101
311012010020210
420133211311
51032222144
6115420033
724632253
oct10374565
94163223
102226549
111290926
128b4619
135cc5b0
1441d5d3
152deab9
hex21f975

2226549 has 16 divisors (see below), whose sum is σ = 3285632. Its totient is φ = 1332288.

The previous prime is 2226547. The next prime is 2226557. The reversal of 2226549 is 9456222.

It is not a de Polignac number, because 2226549 - 21 = 2226547 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2226547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 672 + ... + 2214.

It is an arithmetic number, because the mean of its divisors is an integer number (205352).

22226549 is an apocalyptic number.

It is an amenable number.

2226549 is a deficient number, since it is larger than the sum of its proper divisors (1059083).

2226549 is a wasteful number, since it uses less digits than its factorization.

2226549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596.

The product of its digits is 8640, while the sum is 30.

The square root of 2226549 is about 1492.1625246601. The cubic root of 2226549 is about 130.5802269422.

It can be divided in two parts, 2226 and 549, that added together give a triangular number (2775 = T74).

The spelling of 2226549 in words is "two million, two hundred twenty-six thousand, five hundred forty-nine".

Divisors: 1 3 13 37 39 111 481 1443 1543 4629 20059 57091 60177 171273 742183 2226549