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BaseRepresentation
bin1000011111000001011110
311012000001121
420133001132
51032133342
6115401154
724622420
oct10370136
94160047
102224222
11128a100
128b31ba
135cb510
1441c810
152de067
hex21f05e

2224222 has 48 divisors (see below), whose sum is σ = 4558176. Its totient is φ = 792000.

The previous prime is 2224193. The next prime is 2224231.

It can be divided in two parts, 222 and 4222, that added together give a palindrome (4444).

2224222 is nontrivially palindromic in base 10.

2224222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2224196 and 2224205.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 21972 + ... + 22072.

It is an arithmetic number, because the mean of its divisors is an integer number (94962).

22224222 is an apocalyptic number.

2224222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2224222 is an abundant number, since it is smaller than the sum of its proper divisors (2333954).

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

2224222 is a wasteful number, since it uses less digits than its factorization.

2224222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 134 counting only the distinct ones).

The product of its digits is 256, while the sum is 16.

The square root of 2224222 is about 1491.3825800243. The cubic root of 2224222 is about 130.5347206294.

The spelling of 2224222 in words is "two million, two hundred twenty-four thousand, two hundred twenty-two".