2231003232 has 72 divisors (see below), whose sum is σ = 6354666864. Its totient is φ = 742466304.

The previous prime is 2231003219. The next prime is 2231003249. The reversal of 2231003232 is 2323001322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-3 number, since 3×2231003232³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 182133 + ... + 193995.

It is an arithmetic number, because the mean of its divisors is an integer number (88259262).

Almost surely, 2^2231003232 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 2231003232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3177333432).

2231003232 is an abundant number, since it is smaller than the sum of its proper divisors (4123663632).

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

2231003232 is a wasteful number, since it uses less digits than its factorization.

2231003232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12532 (or 12521 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2231003232 is about 47233.4969274984. The cubic root of 2231003232 is about 1306.6724459460.

Adding to 2231003232 its reverse (2323001322), we get a palindrome (4554004554).

The spelling of 2231003232 in words is "two billion, two hundred thirty-one million, three thousand, two hundred thirty-two".