222221000122 has 64 divisors (see below), whose sum is σ = 384063234048. Its totient is φ = 95446120000.

The previous prime is 222221000117. The next prime is 222221000143. The reversal of 222221000122 is 221000122222.

It is a junction number, because it is equal to n+sod(n) for n = 222221000096 and 222221000105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23861847 + ... + 23871157.

It is an arithmetic number, because the mean of its divisors is an integer number (6000988032).

Almost surely, 2^222221000122 is an apocalyptic number.

222221000122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222221000122 is a deficient number, since it is larger than the sum of its proper divisors (161842233926).

222221000122 is a wasteful number, since it uses less digits than its factorization.

222221000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9915.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222221000122 its reverse (221000122222), we get a palindrome (443221122344).

The spelling of 222221000122 in words is "two hundred twenty-two billion, two hundred twenty-one million, one hundred twenty-two", and thus it is an aban number.