1100221223 has 8 divisors (see below), whose sum is σ = 1130906448. Its totient is φ = 1069903744.

The previous prime is 1100221219. The next prime is 1100221319. The reversal of 1100221223 is 3221220011.

It is a happy number.

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 1100221223 - 2² = 1100221219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100221198 and 1100221207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100221723) 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, 85865 + ... + 97842.

It is an arithmetic number, because the mean of its divisors is an integer number (141363306).

Almost surely, 2^1100221223 is an apocalyptic number.

1100221223 is a deficient number, since it is larger than the sum of its proper divisors (30685225).

1100221223 is a wasteful number, since it uses less digits than its factorization.

1100221223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183873.

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

The square root of 1100221223 is about 33169.5827980998. The cubic root of 1100221223 is about 1032.3493120615.

Adding to 1100221223 its reverse (3221220011), we get a palindrome (4321441234).

The spelling of 1100221223 in words is "one billion, one hundred million, two hundred twenty-one thousand, two hundred twenty-three".