22222220021210 has 32 divisors (see below), whose sum is σ = 43636553501184. Its totient is φ = 8080771320000.

The previous prime is 22222220021173. The next prime is 22222220021213. The reversal of 22222220021210 is 1212002222222.

It is not an unprimeable number, because it can be changed into a prime (22222220021213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48562880 + ... + 49018340.

It is an arithmetic number, because the mean of its divisors is an integer number (1363642296912).

Almost surely, 2^{22222220021210} is an apocalyptic number.

22222220021210 is a deficient number, since it is larger than the sum of its proper divisors (21414333479974).

22222220021210 is a wasteful number, since it uses less digits than its factorization.

22222220021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899030.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22222220021210 its reverse (1212002222222), we get a palindrome (23434222243432).

The spelling of 22222220021210 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred twenty million, twenty-one thousand, two hundred ten".