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2223388 = 221134919
BaseRepresentation
bin1000011110110100011100
311011221220201
420132310130
51032122023
6115353244
724620116
oct10366434
94157821
102223388
111289512
128b2824
135cb01b
1441c3b6
152ddbad
hex21ed1c

2223388 has 12 divisors (see below), whose sum is σ = 3926160. Its totient is φ = 1101632.

The previous prime is 2223383. The next prime is 2223391. The reversal of 2223388 is 8833222.

2223388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2008 + ... + 2911.

It is an arithmetic number, because the mean of its divisors is an integer number (327180).

22223388 is an apocalyptic number.

It is an amenable number.

2223388 is a deficient number, since it is larger than the sum of its proper divisors (1702772).

2223388 is a wasteful number, since it uses less digits than its factorization.

2223388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5036 (or 5034 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 2223388 is about 1491.1029474855. The cubic root of 2223388 is about 130.5184033783.

The spelling of 2223388 in words is "two million, two hundred twenty-three thousand, three hundred eighty-eight".

Divisors: 1 2 4 113 226 452 4919 9838 19676 555847 1111694 2223388