2220222 has 32 divisors (see below), whose sum is σ = 4656672. Its totient is φ = 705024.

The previous prime is 2220209. The next prime is 2220263.

2220222 is nontrivially palindromic in base 10.

2220222 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 = 2220198 and 2220207.

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 15 ways as a sum of consecutive naturals, for example, 16138 + ... + 16274.

It is an arithmetic number, because the mean of its divisors is an integer number (145521).

2^2220222 is an apocalyptic number.

2220222 is an abundant number, since it is smaller than the sum of its proper divisors (2436450).

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

2220222 is a wasteful number, since it uses less digits than its factorization.

2220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 2220222 is about 1490.0409390349. The cubic root of 2220222 is about 130.4564232596.

It can be divided in two parts, 2220 and 222, that added together give a palindrome (2442).

The spelling of 2220222 in words is "two million, two hundred twenty thousand, two hundred twenty-two".