22120202210 has 64 divisors (see below), whose sum is σ = 41515628544. Its totient is φ = 8476608000.

The previous prime is 22120202189. The next prime is 22120202213. The reversal of 22120202210 is 1220202122.

It is a super-2 number, since 2×22120202210² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22120202213) 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, 29771099 + ... + 29771841.

It is an arithmetic number, because the mean of its divisors is an integer number (648681696).

Almost surely, 2^22120202210 is an apocalyptic number.

22120202210 is a deficient number, since it is larger than the sum of its proper divisors (19395426334).

22120202210 is a wasteful number, since it uses less digits than its factorization.

22120202210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22120202210 its reverse (1220202122), we get a palindrome (23340404332).

The spelling of 22120202210 in words is "twenty-two billion, one hundred twenty million, two hundred two thousand, two hundred ten".