2321221232 has 80 divisors (see below), whose sum is σ = 5048676864. Its totient is φ = 1024704000.

The previous prime is 2321221183. The next prime is 2321221267.

It is a happy number.

2321221232 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1954943 + ... + 1956129.

Almost surely, 2^2321221232 is an apocalyptic number.

2321221232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2321221232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2524338432).

2321221232 is an abundant number, since it is smaller than the sum of its proper divisors (2727455632).

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

2321221232 is a wasteful number, since it uses less digits than its factorization.

2321221232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518 (or 1512 counting only the distinct ones).

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

The square root of 2321221232 is about 48179.0538719888. The cubic root of 2321221232 is about 1324.0534323078.

It can be divided in two parts, 23212 and 21232, that added together give a palindrome (44444).

The spelling of 2321221232 in words is "two billion, three hundred twenty-one million, two hundred twenty-one thousand, two hundred thirty-two".