222021122323210 has 128 divisors (see below), whose sum is σ = 461841189765120. Its totient is φ = 75272202720000.

The previous prime is 222021122323181. The next prime is 222021122323211. The reversal of 222021122323210 is 12323221120222.

It is not an unprimeable number, because it can be changed into a prime (222021122323211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23521673671 + ... + 23521683109.

It is an arithmetic number, because the mean of its divisors is an integer number (3608134295040).

Almost surely, 2^{222021122323210} is an apocalyptic number.

222021122323210 is an abundant number, since it is smaller than the sum of its proper divisors (239820067441910).

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

222021122323210 is a wasteful number, since it uses less digits than its factorization.

222021122323210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14972.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 222021122323210 its reverse (12323221120222), we get a palindrome (234344343443432).

The spelling of 222021122323210 in words is "two hundred twenty-two trillion, twenty-one billion, one hundred twenty-two million, three hundred twenty-three thousand, two hundred ten".