222321122210 has 32 divisors (see below), whose sum is σ = 436776224832. Its totient is φ = 80803602880.

The previous prime is 222321122183. The next prime is 222321122239. The reversal of 222321122210 is 12221123222.

It is a Curzon number.

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, 284189 + ... + 724848.

It is an arithmetic number, because the mean of its divisors is an integer number (13649257026).

Almost surely, 2^222321122210 is an apocalyptic number.

222321122210 is a deficient number, since it is larger than the sum of its proper divisors (214455102622).

222321122210 is a wasteful number, since it uses less digits than its factorization.

222321122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011058.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 222321122210 its reverse (12221123222), we get a palindrome (234542245432).

The spelling of 222321122210 in words is "two hundred twenty-two billion, three hundred twenty-one million, one hundred twenty-two thousand, two hundred ten".