2222220111 has 8 divisors (see below), whose sum is σ = 3043040304. Its totient is φ = 1441440000.

The previous prime is 2222220103. The next prime is 2222220137. The reversal of 2222220111 is 1110222222.

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

It is not a de Polignac number, because 2222220111 - 2³ = 2222220103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222220101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10009890 + ... + 10010111.

It is an arithmetic number, because the mean of its divisors is an integer number (380380038).

Almost surely, 2^2222220111 is an apocalyptic number.

2222220111 is a deficient number, since it is larger than the sum of its proper divisors (820820193).

2222220111 is a wasteful number, since it uses less digits than its factorization.

2222220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20020041.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2222220111 is about 47140.4296862046. The cubic root of 2222220111 is about 1304.9554671317.

Adding to 2222220111 its reverse (1110222222), we get a palindrome (3332442333).

The spelling of 2222220111 in words is "two billion, two hundred twenty-two million, two hundred twenty thousand, one hundred eleven".