2231012 has 48 divisors (see below), whose sum is σ = 4878720. Its totient is φ = 870912.

The previous prime is 2231011. The next prime is 2231027. The reversal of 2231012 is 2101322.

It is a happy number.

It is a super-3 number, since 3×2231012³ = 33314014730879381184, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2230984 and 2231002.

It is not an unprimeable number, because it can be changed into a prime (2231011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20414 + ... + 20522.

It is an arithmetic number, because the mean of its divisors is an integer number (101640).

2^2231012 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 2231012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2439360).

2231012 is an abundant number, since it is smaller than the sum of its proper divisors (2647708).

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

2231012 is a wasteful number, since it uses less digits than its factorization.

2231012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2231012 is about 1493.6572565351. The cubic root of 2231012 is about 130.6674157715.

Adding to 2231012 its reverse (2101322), we get a palindrome (4332334).

It can be divided in two parts, 22310 and 12, that added together give a palindrome (22322).

The spelling of 2231012 in words is "two million, two hundred thirty-one thousand, twelve".