Search a number
-
+
2140222 = 27221839
BaseRepresentation
bin1000001010100000111110
311000201211111
420022200332
51021441342
6113512234
724122500
oct10124076
94021744
102140222
111231a87
1287267a
1359c206
143d9d70
152c4217
hex20a83e

2140222 has 12 divisors (see below), whose sum is σ = 3734640. Its totient is φ = 917196.

The previous prime is 2140207. The next prime is 2140223. The reversal of 2140222 is 2220412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10822 + ... + 11017.

It is an arithmetic number, because the mean of its divisors is an integer number (311220).

22140222 is an apocalyptic number.

2140222 is a deficient number, since it is larger than the sum of its proper divisors (1594418).

2140222 is a wasteful number, since it uses less digits than its factorization.

2140222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21855 (or 21848 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2140222 is about 1462.9497599029. The cubic root of 2140222 is about 128.8703302098.

Adding to 2140222 its reverse (2220412), we get a palindrome (4360634).

The spelling of 2140222 in words is "two million, one hundred forty thousand, two hundred twenty-two".

Divisors: 1 2 7 14 49 98 21839 43678 152873 305746 1070111 2140222