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2222 = 211101

2222 has 8 divisors (see below), whose sum is σ = 3672. Its totient is φ = 1000.

The previous prime is 2221. The next prime is 2237.

2222 is nontrivially palindromic in base 10.

2222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nude number because it is divisible by every one of its digits.

2222 is a modest number, since divided by 222 gives 2 as remainder.

2222 is a nontrivial repdigit in base 10.

It is a plaindrome in base 10 and base 16.

It is a nialpdrome 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 (2221) 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, 29 + ... + 72.

It is an arithmetic number, because the mean of its divisors is an integer number (459).

22222 is an apocalyptic number.

2222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2222 is a deficient number, since it is larger than the sum of its proper divisors (1450).

2222 is a wasteful number, since it uses less digits than its factorization.

2222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114.

The product of its digits is 16, while the sum is 8.

The square root of 2222 is about 47.1380949976. The cubic root of 2222 is about 13.0491238041.

It can be divided in two parts, 222 and 2, that multiplied together give a palindrome (444).

The spelling of 2222 in words is "two thousand, two hundred twenty-two", and thus it is an iban number.

Divisors: 1 2 11 22 101 202 1111 2222