22002331012 has 6 divisors (see below), whose sum is σ = 38504079278. Its totient is φ = 11001165504.

The previous prime is 22002330997. The next prime is 22002331033. The reversal of 22002331012 is 21013320022.

It can be written as a sum of positive squares in only one way, i.e., 18861176896 + 3141154116 = 137336^2 + 56046^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750291373 + ... + 2750291380.

Almost surely, 2^22002331012 is an apocalyptic number.

It is an amenable number.

22002331012 is a deficient number, since it is larger than the sum of its proper divisors (16501748266).

22002331012 is a wasteful number, since it uses less digits than its factorization.

22002331012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500582757 (or 5500582755 counting only the distinct ones).

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

Adding to 22002331012 its reverse (21013320022), we get a palindrome (43015651034).

The spelling of 22002331012 in words is "twenty-two billion, two million, three hundred thirty-one thousand, twelve".