Search a number
-
+
2243302220 = 225112165111
BaseRepresentation
bin1000010110110110…
…0001001101001100
312210100011120010102
42011231201031030
514043241132340
61010333430232
7106406516465
oct20555411514
95710146112
102243302220
11a51316185
1252733b378
132999b3283
14173d0dd6c
15d1e22215
hex85b6134c

2243302220 has 12 divisors (see below), whose sum is σ = 4710934704. Its totient is φ = 897320880.

The previous prime is 2243302183. The next prime is 2243302261. The reversal of 2243302220 is 222033422.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 112165111 = 2243302220 / (2 + 2 + 4 + 3 + 3 + 0 + 2 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 2243302192 and 2243302201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56082536 + ... + 56082575.

It is an arithmetic number, because the mean of its divisors is an integer number (392577892).

Almost surely, 22243302220 is an apocalyptic number.

2243302220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2243302220 is an abundant number, since it is smaller than the sum of its proper divisors (2467632484).

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

2243302220 is a wasteful number, since it uses less digits than its factorization.

2243302220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112165120 (or 112165118 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 2243302220 is about 47363.5114829971. The cubic root of 2243302220 is about 1309.0691715111.

Adding to 2243302220 its reverse (222033422), we get a palindrome (2465335642).

The spelling of 2243302220 in words is "two billion, two hundred forty-three million, three hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 112165111 224330222 448660444 560825555 1121651110 2243302220