Search a number
-
+
22111130 = 2517312781
BaseRepresentation
bin101010001011…
…0001110011010
31112121100202202
41110112032122
521130024010
62105530202
7355640636
oct124261632
945540682
1022111130
1111532468
1274a3962
134772312
142d17dc6
151e1b6a5
hex151639a

22111130 has 16 divisors (see below), whose sum is σ = 40033224. Its totient is φ = 8792640.

The previous prime is 22111127. The next prime is 22111151. The reversal of 22111130 is 3111122.

22111130 = 2682 + 2692 + ... + 4402.

It can be written as a sum of positive squares in 4 ways, for example, as 21893041 + 218089 = 4679^2 + 467^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4661 + ... + 8120.

Almost surely, 222111130 is an apocalyptic number.

22111130 is a deficient number, since it is larger than the sum of its proper divisors (17922094).

22111130 is a wasteful number, since it uses less digits than its factorization.

22111130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12961.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 22111130 is about 4702.2473350516. The cubic root of 22111130 is about 280.6749448557.

Adding to 22111130 its reverse (3111122), we get a palindrome (25222252).

The spelling of 22111130 in words is "twenty-two million, one hundred eleven thousand, one hundred thirty".

Divisors: 1 2 5 10 173 346 865 1730 12781 25562 63905 127810 2211113 4422226 11055565 22111130