1223223232 has 112 divisors (see below), whose sum is σ = 3038734080. Its totient is φ = 474624000.

The previous prime is 1223223229. The next prime is 1223223241. The reversal of 1223223232 is 2323223221.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1975819 + ... + 1976437.

Almost surely, 2^1223223232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223223232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1519367040).

1223223232 is an abundant number, since it is smaller than the sum of its proper divisors (1815510848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223223232 is a wasteful number, since it uses less digits than its factorization.

1223223232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050 (or 1040 counting only the distinct ones).

The product of its digits is 1728, while the sum is 22.

The square root of 1223223232 is about 34974.6083895160. The cubic root of 1223223232 is about 1069.4699188237.

Adding to 1223223232 its reverse (2323223221), we get a palindrome (3546446453).

The spelling of 1223223232 in words is "one billion, two hundred twenty-three million, two hundred twenty-three thousand, two hundred thirty-two".