1223320233221 has 8 divisors (see below), whose sum is σ = 1286252409024. Its totient is φ = 1161200085760.

The previous prime is 1223320233133. The next prime is 1223320233263.

1223320233221 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223320233221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223320233271) 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, 203003996 + ... + 203010021.

It is an arithmetic number, because the mean of its divisors is an integer number (160781551128).

Almost surely, 2^{1223320233221} is an apocalyptic number.

It is an amenable number.

1223320233221 is a deficient number, since it is larger than the sum of its proper divisors (62932175803).

1223320233221 is a wasteful number, since it uses less digits than its factorization.

1223320233221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406014171.

The product of its (nonzero) digits is 5184, while the sum is 26.

It can be divided in two parts, 1223320 and 233221, that added together give a palindrome (1456541).

The spelling of 1223320233221 in words is "one trillion, two hundred twenty-three billion, three hundred twenty million, two hundred thirty-three thousand, two hundred twenty-one".