Search a number
-
+
2227180 = 225195861
BaseRepresentation
bin1000011111101111101100
311012011010011
420133233230
51032232210
6115423004
724634144
oct10375754
94164104
102227180
11129134a
128b4a64
135cc977
1441d924
152ded8a
hex21fbec

2227180 has 24 divisors (see below), whose sum is σ = 4924080. Its totient is φ = 843840.

The previous prime is 2227163. The next prime is 2227193. The reversal of 2227180 is 817222.

It is a congruent number.

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, 2551 + ... + 3310.

It is an arithmetic number, because the mean of its divisors is an integer number (205170).

22227180 is an apocalyptic number.

2227180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2227180 is an abundant number, since it is smaller than the sum of its proper divisors (2696900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2227180 is a wasteful number, since it uses less digits than its factorization.

2227180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5889 (or 5887 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 2227180 is about 1492.3739477758. The cubic root of 2227180 is about 130.5925611780.

The spelling of 2227180 in words is "two million, two hundred twenty-seven thousand, one hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 5861 11722 23444 29305 58610 111359 117220 222718 445436 556795 1113590 2227180