1100221322 has 4 divisors (see below), whose sum is σ = 1650331986. Its totient is φ = 550110660.

The previous prime is 1100221319. The next prime is 1100221337. The reversal of 1100221322 is 2231220011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2231220011 = 33391 ⋅66821.

It can be written as a sum of positive squares in only one way, i.e., 883218961 + 217002361 = 29719^2 + 14731^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1100221297 and 1100221306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275055329 + ... + 275055332.

Almost surely, 2^1100221322 is an apocalyptic number.

1100221322 is a deficient number, since it is larger than the sum of its proper divisors (550110664).

1100221322 is an equidigital number, since it uses as much as digits as its factorization.

1100221322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550110663.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1100221322 is about 33169.5842904309. The cubic root of 1100221322 is about 1032.3493430257.

Adding to 1100221322 its reverse (2231220011), we get a palindrome (3331441333).

The spelling of 1100221322 in words is "one billion, one hundred million, two hundred twenty-one thousand, three hundred twenty-two".