2220331012 has 6 divisors (see below), whose sum is σ = 3885579278. Its totient is φ = 1110165504.

The previous prime is 2220331007. The next prime is 2220331021. The reversal of 2220331012 is 2101330222.

It can be written as a sum of positive squares in only one way, i.e., 1961249796 + 259081216 = 44286^2 + 16096^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277541373 + ... + 277541380.

Almost surely, 2^2220331012 is an apocalyptic number.

It is an amenable number.

2220331012 is a deficient number, since it is larger than the sum of its proper divisors (1665248266).

2220331012 is a wasteful number, since it uses less digits than its factorization.

2220331012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555082757 (or 555082755 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2220331012 is about 47120.3884958518. The cubic root of 2220331012 is about 1304.5855834383.

Adding to 2220331012 its reverse (2101330222), we get a palindrome (4321661234).

The spelling of 2220331012 in words is "two billion, two hundred twenty million, three hundred thirty-one thousand, twelve".