2102222 has 8 divisors (see below), whose sum is σ = 3174672. Its totient is φ = 1044000.

The previous prime is 2102213. The next prime is 2102249. The reversal of 2102222 is 2222012.

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

2102222 is a modest number, since divided by 2222 gives 210 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3179 + ... + 3782.

It is an arithmetic number, because the mean of its divisors is an integer number (396834).

2^2102222 is an apocalyptic number.

2102222 is a deficient number, since it is larger than the sum of its proper divisors (1072450).

2102222 is a wasteful number, since it uses less digits than its factorization.

2102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7114.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2102222 is about 1449.9041347620. The cubic root of 2102222 is about 128.1030664021.

Adding to 2102222 its reverse (2222012), we get a palindrome (4324234).

The spelling of 2102222 in words is "two million, one hundred two thousand, two hundred twenty-two".