22022202210 has 64 divisors (see below), whose sum is σ = 53229173760. Its totient is φ = 5830963200.

The previous prime is 22022202199. The next prime is 22022202211. The reversal of 22022202210 is 1220222022.

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 22022202210.

It is not an unprimeable number, because it can be changed into a prime (22022202211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2678586 + ... + 2686794.

It is an arithmetic number, because the mean of its divisors is an integer number (831705840).

Almost surely, 2^22022202210 is an apocalyptic number.

22022202210 is an abundant number, since it is smaller than the sum of its proper divisors (31206971550).

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

22022202210 is a wasteful number, since it uses less digits than its factorization.

22022202210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8843.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22022202210 its reverse (1220222022), we get a palindrome (23242424232).

The spelling of 22022202210 in words is "twenty-two billion, twenty-two million, two hundred two thousand, two hundred ten".