2231572032 has 336 divisors, whose sum is σ = 7029614592. Its totient is φ = 701084160.

The previous prime is 2231572019. The next prime is 2231572037. The reversal of 2231572032 is 2302751322.

It is a happy number.

It is a super-3 number, since 3×2231572032³ (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 = 2231571987 and 2231572005.

It is not an unprimeable number, because it can be changed into a prime (2231572037) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31430557 + ... + 31430627.

It is an arithmetic number, because the mean of its divisors is an integer number (20921472).

Almost surely, 2^2231572032 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 2231572032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3514807296).

2231572032 is an abundant number, since it is smaller than the sum of its proper divisors (4798042560).

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

2231572032 is an equidigital number, since it uses as much as digits as its factorization.

2231572032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 166 counting only the distinct ones).

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

The square root of 2231572032 is about 47239.5176944050. The cubic root of 2231572032 is about 1306.7834830081.

The spelling of 2231572032 in words is "two billion, two hundred thirty-one million, five hundred seventy-two thousand, thirty-two".