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2220244 = 221342697
BaseRepresentation
bin1000011110000011010100
311011210121021
420132003110
51032021434
6115330524
724605005
oct10360324
94153537
102220244
111287114
128b0a44
135c9770
1441b1ac
152dccb4
hex21e0d4

2220244 has 12 divisors (see below), whose sum is σ = 4184404. Its totient is φ = 1024704.

The previous prime is 2220209. The next prime is 2220263. The reversal of 2220244 is 4420222.

2220244 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 315844 + 1904400 = 562^2 + 1380^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21297 + ... + 21400.

22220244 is an apocalyptic number.

It is an amenable number.

2220244 is a deficient number, since it is larger than the sum of its proper divisors (1964160).

2220244 is a wasteful number, since it uses less digits than its factorization.

2220244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42714 (or 42712 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2220244 is about 1490.0483213641. The cubic root of 2220244 is about 130.4568541522.

Adding to 2220244 its reverse (4420222), we get a palindrome (6640466).

The spelling of 2220244 in words is "two million, two hundred twenty thousand, two hundred forty-four".

Divisors: 1 2 4 13 26 52 42697 85394 170788 555061 1110122 2220244