1102222109 has 4 divisors (see below), whose sum is σ = 1117321116. Its totient is φ = 1087123104.

The previous prime is 1102222027. The next prime is 1102222117. The reversal of 1102222109 is 9012222011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 826562500 + 275659609 = 28750^2 + 16603^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102222109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102222189) 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, 7549394 + ... + 7549539.

It is an arithmetic number, because the mean of its divisors is an integer number (279330279).

Almost surely, 2^1102222109 is an apocalyptic number.

It is an amenable number.

1102222109 is a deficient number, since it is larger than the sum of its proper divisors (15099007).

1102222109 is an equidigital number, since it uses as much as digits as its factorization.

1102222109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15099006.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1102222109 is about 33199.7305561355. The cubic root of 1102222109 is about 1032.9747506298.

The spelling of 1102222109 in words is "one billion, one hundred two million, two hundred twenty-two thousand, one hundred nine".