222222110000 has 400 divisors, whose sum is σ = 611483862528. Its totient is φ = 77500800000.

The previous prime is 222222109997. The next prime is 222222110009. The reversal of 222222110000 is 11222222.

It is a tau number, because it is divible by the number of its divisors (400).

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (222222110009) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 274009595 + ... + 274010405.

Almost surely, 2^222222110000 is an apocalyptic number.

222222110000 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 222222110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305741931264).

222222110000 is an abundant number, since it is smaller than the sum of its proper divisors (389261752528).

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

222222110000 is a wasteful number, since it uses less digits than its factorization.

222222110000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222222110000 its reverse (11222222), we get a palindrome (222233332222).

The spelling of 222222110000 in words is "two hundred twenty-two billion, two hundred twenty-two million, one hundred ten thousand".