1232221223 has 8 divisors (see below), whose sum is σ = 1290849600. Its totient is φ = 1174668768.

The previous prime is 1232221219. The next prime is 1232221247. The reversal of 1232221223 is 3221222321.

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 1232221223 - 2² = 1232221219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1232221195 and 1232221204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232229223) 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, 266636 + ... + 271217.

It is an arithmetic number, because the mean of its divisors is an integer number (161356200).

Almost surely, 2^1232221223 is an apocalyptic number.

1232221223 is a deficient number, since it is larger than the sum of its proper divisors (58628377).

1232221223 is an equidigital number, since it uses as much as digits as its factorization.

1232221223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537961.

The product of its digits is 576, while the sum is 20.

The square root of 1232221223 is about 35103.0087456902. The cubic root of 1232221223 is about 1072.0858438974.

Adding to 1232221223 its reverse (3221222321), we get a palindrome (4453443544).

The spelling of 1232221223 in words is "one billion, two hundred thirty-two million, two hundred twenty-one thousand, two hundred twenty-three".