222220011000 has 512 divisors, whose sum is σ = 785312236800. Its totient is φ = 51932160000.

The previous prime is 222220010993. The next prime is 222220011011. The reversal of 222220011000 is 110022222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 68989390 + ... + 68992610.

Almost surely, 2^222220011000 is an apocalyptic number.

222220011000 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 222220011000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392656118400).

222220011000 is an abundant number, since it is smaller than the sum of its proper divisors (563092225800).

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

222220011000 is a wasteful number, since it uses less digits than its factorization.

222220011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3348 (or 3334 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 222220011000 its reverse (110022222), we get a palindrome (222330033222).

The spelling of 222220011000 in words is "two hundred twenty-two billion, two hundred twenty million, eleven thousand".