22123412210 has 16 divisors (see below), whose sum is σ = 39882399192. Its totient is φ = 8835974400.

The previous prime is 22123412197. The next prime is 22123412219. The reversal of 22123412210 is 1221432122.

It can be written as a sum of positive squares in 4 ways, for example, as 19556064649 + 2567347561 = 139843^2 + 50669^2 .

It is not an unprimeable number, because it can be changed into a prime (22123412219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1666871 + ... + 1680090.

Almost surely, 2^22123412210 is an apocalyptic number.

22123412210 is a deficient number, since it is larger than the sum of its proper divisors (17758986982).

22123412210 is a wasteful number, since it uses less digits than its factorization.

22123412210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3347629.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22123412210 its reverse (1221432122), we get a palindrome (23344844332).

The spelling of 22123412210 in words is "twenty-two billion, one hundred twenty-three million, four hundred twelve thousand, two hundred ten".