Search a number
-
+
22414220 = 2251120711
BaseRepresentation
bin101010110000…
…0001110001100
31120011202112022
41111200032030
521214223340
62120225312
7361342403
oct125401614
946152468
1022414220
111171a154
12760b238
13484a26a
142d9663a
151e7b3b5
hex156038c

22414220 has 12 divisors (see below), whose sum is σ = 47069904. Its totient is φ = 8965680.

The previous prime is 22414169. The next prime is 22414229. The reversal of 22414220 is 2241422.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22414229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560336 + ... + 560375.

It is an arithmetic number, because the mean of its divisors is an integer number (3922492).

Almost surely, 222414220 is an apocalyptic number.

22414220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22414220 is an abundant number, since it is smaller than the sum of its proper divisors (24655684).

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

22414220 is a wasteful number, since it uses less digits than its factorization.

22414220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120720 (or 1120718 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 22414220 is about 4734.3658498261. The cubic root of 22414220 is about 281.9515870146.

Adding to 22414220 its reverse (2241422), we get a palindrome (24655642).

The spelling of 22414220 in words is "twenty-two million, four hundred fourteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1120711 2241422 4482844 5603555 11207110 22414220