22220002222210 has 24 divisors (see below), whose sum is σ = 43309282441140. Its totient is φ = 8204308512192.

The previous prime is 22220002222207. The next prime is 22220002222283. The reversal of 22220002222210 is 1222220002222.

It can be written as a sum of positive squares in 6 ways, for example, as 339321395169 + 21880680827041 = 582513^2 + 4677679^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6573963465 + ... + 6573966844.

Almost surely, 2^{22220002222210} is an apocalyptic number.

22220002222210 is a deficient number, since it is larger than the sum of its proper divisors (21089280218930).

22220002222210 is a wasteful number, since it uses less digits than its factorization.

22220002222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13147930342 (or 13147930329 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22220002222210 its reverse (1222220002222), we get a palindrome (23442222224432).

The spelling of 22220002222210 in words is "twenty-two trillion, two hundred twenty billion, two million, two hundred twenty-two thousand, two hundred ten".