Search a number
2242010221 = 111015573623
BaseRepresentation
bin1000010110100010…
…0101110001101101
312210020201220211121
42011220211301231
514042423311341
61010250020541
7106362525643
oct20550456155
95706656747
102242010221
11a50613510
12526a17751
13299650189
14173a95193
15d1c694d1
hex85a25c6d

2242010221 has 16 divisors (see below), whose sum is σ = 2475163008. Its totient is φ = 2013832000.

The previous prime is 2242010161. The next prime is 2242010299. The reversal of 2242010221 is 1220102422.

It is a cyclic number.

It is not a de Polignac number, because 2242010221 - 215 = 2241977453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2242010195 and 2242010204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242010021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 617016 + ... + 620638.

It is an arithmetic number, because the mean of its divisors is an integer number (154697688).

Almost surely, 22242010221 is an apocalyptic number.

It is an amenable number.

2242010221 is a deficient number, since it is larger than the sum of its proper divisors (233152787).

2242010221 is a wasteful number, since it uses less digits than its factorization.

2242010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4292.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2242010221 is about 47349.8703377317. The cubic root of 2242010221 is about 1308.8178097989.

Adding to 2242010221 its reverse (1220102422), we get a palindrome (3462112643).

The spelling of 2242010221 in words is "two billion, two hundred forty-two million, ten thousand, two hundred twenty-one".