Search a number
-
+
2212244 = 221732533
BaseRepresentation
bin1000011100000110010100
311011101121222
420130012110
51031242434
6115225512
724542456
oct10340624
94141558
102212244
111281101
128a8298
135c5c28
144182d6
152da72e
hex21c194

2212244 has 12 divisors (see below), whose sum is σ = 4099284. Its totient is φ = 1041024.

The previous prime is 2212241. The next prime is 2212247. The reversal of 2212244 is 4422122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2212241) and next prime (2212247).

It can be written as a sum of positive squares in 2 ways, for example, as 1188100 + 1024144 = 1090^2 + 1012^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16199 + ... + 16334.

It is an arithmetic number, because the mean of its divisors is an integer number (341607).

22212244 is an apocalyptic number.

It is an amenable number.

2212244 is a deficient number, since it is larger than the sum of its proper divisors (1887040).

2212244 is a wasteful number, since it uses less digits than its factorization.

2212244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32554 (or 32552 counting only the distinct ones).

The product of its digits is 256, while the sum is 17.

The square root of 2212244 is about 1487.3614221164. The cubic root of 2212244 is about 130.2999778734.

Adding to 2212244 its reverse (4422122), we get a palindrome (6634366).

The spelling of 2212244 in words is "two million, two hundred twelve thousand, two hundred forty-four".

Divisors: 1 2 4 17 34 68 32533 65066 130132 553061 1106122 2212244