222122000000 has 448 divisors, whose sum is σ = 602429788800. Its totient is φ = 81254400000.

The previous prime is 222121999997. The next prime is 222122000069. The reversal of 222122000000 is 221222.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1597999931 + ... + 1598000069.

It is an arithmetic number, because the mean of its divisors is an integer number (1344709350).

Almost surely, 2^222122000000 is an apocalyptic number.

222122000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222122000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301214894400).

222122000000 is an abundant number, since it is smaller than the sum of its proper divisors (380307788800).

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

222122000000 is an frugal number, since it uses more digits than its factorization.

222122000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 222122000000 its reverse (221222), we get a palindrome (222122221222).

The spelling of 222122000000 in words is "two hundred twenty-two billion, one hundred twenty-two million", and thus it is an aban number.