22212202210 has 64 divisors (see below), whose sum is σ = 46546513920. Its totient is φ = 7542097920.

The previous prime is 22212202171. The next prime is 22212202213. The reversal of 22212202210 is 1220221222.

It is not an unprimeable number, because it can be changed into a prime (22212202213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190726 + ... + 284254.

It is an arithmetic number, because the mean of its divisors is an integer number (727289280).

Almost surely, 2^22212202210 is an apocalyptic number.

22212202210 is an abundant number, since it is smaller than the sum of its proper divisors (24334311710).

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

22212202210 is a wasteful number, since it uses less digits than its factorization.

22212202210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93691.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22212202210 its reverse (1220221222), we get a palindrome (23432423432).

It can be divided in two parts, 22212 and 202210, that added together give a palindrome (224422).

The spelling of 22212202210 in words is "twenty-two billion, two hundred twelve million, two hundred two thousand, two hundred ten".