1122220202 has 8 divisors (see below), whose sum is σ = 1683555300. Its totient is φ = 561035104.

The previous prime is 1122220193. The next prime is 1122220207. The reversal of 1122220202 is 2020222211.

It can be written as a sum of positive squares in 2 ways, for example, as 888099601 + 234120601 = 29801^2 + 15301^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1122220207) 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, 16427 + ... + 50142.

Almost surely, 2^1122220202 is an apocalyptic number.

1122220202 is a deficient number, since it is larger than the sum of its proper divisors (561335098).

1122220202 is an equidigital number, since it uses as much as digits as its factorization.

1122220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75000.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1122220202 is about 33499.5552507791. Note that the first 3 decimals coincide. The cubic root of 1122220202 is about 1039.1845808765.

Adding to 1122220202 its reverse (2020222211), we get a palindrome (3142442413).

The spelling of 1122220202 in words is "one billion, one hundred twenty-two million, two hundred twenty thousand, two hundred two".