22000022210 has 16 divisors (see below), whose sum is σ = 39852272376. Its totient is φ = 8743957248.

The previous prime is 22000022207. The next prime is 22000022263. The reversal of 22000022210 is 1222000022.

It can be written as a sum of positive squares in 4 ways, for example, as 21203145769 + 796876441 = 145613^2 + 28229^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22000022191 and 22000022200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7004807 + ... + 7007946.

Almost surely, 2^22000022210 is an apocalyptic number.

22000022210 is a deficient number, since it is larger than the sum of its proper divisors (17852250166).

22000022210 is a wasteful number, since it uses less digits than its factorization.

22000022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14012917.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 22000022210 its reverse (1222000022), we get a palindrome (23222022232).

The spelling of 22000022210 in words is "twenty-two billion, twenty-two thousand, two hundred ten".