22103202210 has 32 divisors (see below), whose sum is σ = 53104367232. Its totient is φ = 5887889280.

The previous prime is 22103202179. The next prime is 22103202229. The reversal of 22103202210 is 1220230122.

It is a happy number.

It is a super-2 number, since 2×22103202210² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22103202210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365046 + ... + 421265.

It is an arithmetic number, because the mean of its divisors is an integer number (1659511476).

Almost surely, 2^22103202210 is an apocalyptic number.

22103202210 is an abundant number, since it is smaller than the sum of its proper divisors (31001165022).

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

22103202210 is a wasteful number, since it uses less digits than its factorization.

22103202210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787258.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22103202210 its reverse (1220230122), we get a palindrome (23323432332).

The spelling of 22103202210 in words is "twenty-two billion, one hundred three million, two hundred two thousand, two hundred ten".