1331101222 has 16 divisors (see below), whose sum is σ = 2191214592. Its totient is φ = 601421320.

The previous prime is 1331101217. The next prime is 1331101229. The reversal of 1331101222 is 2221011331.

It is a junction number, because it is equal to n+sod(n) for n = 1331101196 and 1331101205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331101229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177478 + ... + 184825.

It is an arithmetic number, because the mean of its divisors is an integer number (136950912).

Almost surely, 2^1331101222 is an apocalyptic number.

1331101222 is a deficient number, since it is larger than the sum of its proper divisors (860113370).

1331101222 is a wasteful number, since it uses less digits than its factorization.

1331101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362483.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1331101222 is about 36484.2599212318. The cubic root of 1331101222 is about 1100.0278841416.

Adding to 1331101222 its reverse (2221011331), we get a palindrome (3552112553).

The spelling of 1331101222 in words is "one billion, three hundred thirty-one million, one hundred one thousand, two hundred twenty-two".