22222211222210 has 32 divisors (see below), whose sum is σ = 40668511415040. Its totient is φ = 8741534753152.

The previous prime is 22222211222209. The next prime is 22222211222221. The reversal of 22222211222210 is 1222211222222.

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, 75650570 + ... + 75943749.

It is an arithmetic number, because the mean of its divisors is an integer number (1270890981720).

Almost surely, 2^{22222211222210} is an apocalyptic number.

22222211222210 is a deficient number, since it is larger than the sum of its proper divisors (18446300192830).

22222211222210 is a wasteful number, since it uses less digits than its factorization.

22222211222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151594570.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 22222211222210 its reverse (1222211222222), we get a palindrome (23444422444432).

The spelling of 22222211222210 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred eleven million, two hundred twenty-two thousand, two hundred ten".