220222111200 has 864 divisors, whose sum is σ = 937191015936. Its totient is φ = 44437155840.

The previous prime is 220222111181. The next prime is 220222111217. The reversal of 220222111200 is 2111222022.

It is a super-2 number, since 2×220222111200² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 220222111200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 35159269 + ... + 35165531.

It is an arithmetic number, because the mean of its divisors is an integer number (1084711824).

Almost surely, 2^220222111200 is an apocalyptic number.

220222111200 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 220222111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468595507968).

220222111200 is an abundant number, since it is smaller than the sum of its proper divisors (716968904736).

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

220222111200 is a wasteful number, since it uses less digits than its factorization.

220222111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6336 (or 6316 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220222111200 its reverse (2111222022), we get a palindrome (222333333222).

The spelling of 220222111200 in words is "two hundred twenty billion, two hundred twenty-two million, one hundred eleven thousand, two hundred".