2231250540 has 96 divisors (see below), whose sum is σ = 6339465216. Its totient is φ = 586306560.

The previous prime is 2231250533. The next prime is 2231250577. The reversal of 2231250540 is 450521322.

It is a super-3 number, since 3×2231250540³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2231250540.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1294119 + ... + 1295841.

It is an arithmetic number, because the mean of its divisors is an integer number (66036096).

Almost surely, 2^2231250540 is an apocalyptic number.

2231250540 is a gapful number since it is divisible by the number (20) 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 2231250540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3169732608).

2231250540 is an abundant number, since it is smaller than the sum of its proper divisors (4108214676).

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

2231250540 is a wasteful number, since it uses less digits than its factorization.

2231250540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039 (or 2037 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2231250540 is about 47236.1147851938. The cubic root of 2231250540 is about 1306.7207259612.

Adding to 2231250540 its reverse (450521322), we get a palindrome (2681771862).

The spelling of 2231250540 in words is "two billion, two hundred thirty-one million, two hundred fifty thousand, five hundred forty".