222214121400 has 96 divisors (see below), whose sum is σ = 689345164800. Its totient is φ = 59215689600.

The previous prime is 222214121383. The next prime is 222214121401. The reversal of 222214121400 is 4121412222.

222214121400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222214121401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 734715 + ... + 992085.

It is an arithmetic number, because the mean of its divisors is an integer number (7180678800).

Almost surely, 2^222214121400 is an apocalyptic number.

222214121400 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 222214121400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344672582400).

222214121400 is an abundant number, since it is smaller than the sum of its proper divisors (467131043400).

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

222214121400 is a wasteful number, since it uses less digits than its factorization.

222214121400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258829 (or 258820 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222214121400 its reverse (4121412222), we get a palindrome (226335533622).

The spelling of 222214121400 in words is "two hundred twenty-two billion, two hundred fourteen million, one hundred twenty-one thousand, four hundred".