22220322210 has 48 divisors (see below), whose sum is σ = 57822448320. Its totient is φ = 5920331040.

The previous prime is 22220322169. The next prime is 22220322233. The reversal of 22220322210 is 1222302222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30 + ... + 210809.

It is an arithmetic number, because the mean of its divisors is an integer number (1204634340).

Almost surely, 2^22220322210 is an apocalyptic number.

22220322210 is an abundant number, since it is smaller than the sum of its proper divisors (35602126110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22220322210 is a wasteful number, since it uses less digits than its factorization.

22220322210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212023 (or 212020 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22220322210 its reverse (1222302222), we get a palindrome (23442624432).

The spelling of 22220322210 in words is "twenty-two billion, two hundred twenty million, three hundred twenty-two thousand, two hundred ten".