10221222404 has 12 divisors (see below), whose sum is σ = 17933124300. Its totient is φ = 5097472608.

The previous prime is 10221222397. The next prime is 10221222413. The reversal of 10221222404 is 40422212201.

It can be written as a sum of positive squares in 2 ways, for example, as 3277333504 + 6943888900 = 57248^2 + 83330^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3282899 + ... + 3286010.

It is an arithmetic number, because the mean of its divisors is an integer number (1494427025).

Almost surely, 2^10221222404 is an apocalyptic number.

It is an amenable number.

10221222404 is a deficient number, since it is larger than the sum of its proper divisors (7711901896).

10221222404 is a wasteful number, since it uses less digits than its factorization.

10221222404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6569302 (or 6569300 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 10221222404 its reverse (40422212201), we get a palindrome (50643434605).

The spelling of 10221222404 in words is "ten billion, two hundred twenty-one million, two hundred twenty-two thousand, four hundred four".