22011022210 has 16 divisors (see below), whose sum is σ = 39659124600. Its totient is φ = 8795678976.

The previous prime is 22011022181. The next prime is 22011022211. The reversal of 22011022210 is 1222011022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17576660929 + 4434361281 = 132577^2 + 66591^2 .

It is a super-2 number, since 2×22011022210² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22011022211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1080645 + ... + 1100824.

Almost surely, 2^22011022210 is an apocalyptic number.

22011022210 is a deficient number, since it is larger than the sum of its proper divisors (17648102390).

22011022210 is a wasteful number, since it uses less digits than its factorization.

22011022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2182485.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22011022210 its reverse (1222011022), we get a palindrome (23233033232).

The spelling of 22011022210 in words is "twenty-two billion, eleven million, twenty-two thousand, two hundred ten".