2225111111 has 8 divisors (see below), whose sum is σ = 2243856384. Its totient is φ = 2206392760.

The previous prime is 2225111107. The next prime is 2225111197. The reversal of 2225111111 is 1111115222.

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

It is a cyclic number.

It is not a de Polignac number, because 2225111111 - 2² = 2225111107 is a prime.

It is a super-2 number, since 2×2225111111² = 9902238912591308642, which contains 22 as substring.

It is a Duffinian number.

2225111111 is a modest number, since divided by 111111 gives 2225 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 2225111111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225111311) 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, 180986 + ... + 192888.

It is an arithmetic number, because the mean of its divisors is an integer number (280482048).

Almost surely, 2^2225111111 is an apocalyptic number.

2225111111 is a deficient number, since it is larger than the sum of its proper divisors (18745273).

2225111111 is a wasteful number, since it uses less digits than its factorization.

2225111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13461.

The product of its digits is 40, while the sum is 17.

The square root of 2225111111 is about 47171.0834198241. The cubic root of 2225111111 is about 1305.5211163845.

Adding to 2225111111 its reverse (1111115222), we get a palindrome (3336226333).

It can be divided in two parts, 2225111 and 111, that added together give a palindrome (2225222).

The spelling of 2225111111 in words is "two billion, two hundred twenty-five million, one hundred eleven thousand, one hundred eleven".