2231275032 has 256 divisors, whose sum is σ = 7539840000. Its totient is φ = 597196800.

The previous prime is 2231275021. The next prime is 2231275049. The reversal of 2231275032 is 2305721322.

It is a happy number.

It is a super-3 number, since 3×2231275032³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2231274987 and 2231275005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2901144 + ... + 2901912.

It is an arithmetic number, because the mean of its divisors is an integer number (29452500).

Almost surely, 2^2231275032 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 2231275032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3769920000).

2231275032 is an abundant number, since it is smaller than the sum of its proper divisors (5308564968).

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

2231275032 is a wasteful number, since it uses less digits than its factorization.

2231275032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911 (or 901 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2231275032 is about 47236.3740352707. The cubic root of 2231275032 is about 1306.7255071495.

Adding to 2231275032 its reverse (2305721322), we get a palindrome (4536996354).

It can be divided in two parts, 22312 and 75032, that added together give a square (97344 = 312²).

The spelling of 2231275032 in words is "two billion, two hundred thirty-one million, two hundred seventy-five thousand, thirty-two".