Search a number
-
+
2224242 = 232294261
BaseRepresentation
bin1000011111000001110010
311012000002100
420133001302
51032133432
6115401230
724622446
oct10370162
94160070
102224242
11128a119
128b3216
135cb527
1441c826
152de07c
hex21f072

2224242 has 24 divisors (see below), whose sum is σ = 4986540. Its totient is φ = 715680.

The previous prime is 2224231. The next prime is 2224247. The reversal of 2224242 is 2424222.

It can be written as a sum of positive squares in 2 ways, for example, as 2013561 + 210681 = 1419^2 + 459^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2224247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1609 + ... + 2652.

22224242 is an apocalyptic number.

2224242 is an abundant number, since it is smaller than the sum of its proper divisors (2762298).

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

2224242 is a wasteful number, since it uses less digits than its factorization.

2224242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4298 (or 4295 counting only the distinct ones).

The product of its digits is 512, while the sum is 18.

The square root of 2224242 is about 1491.3892851969. The cubic root of 2224242 is about 130.5351118803.

Adding to 2224242 its reverse (2424222), we get a palindrome (4648464).

The spelling of 2224242 in words is "two million, two hundred twenty-four thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 29 58 87 174 261 522 4261 8522 12783 25566 38349 76698 123569 247138 370707 741414 1112121 2224242