222104231400 has 144 divisors (see below), whose sum is σ = 713085609600. Its totient is φ = 57185327360.

The previous prime is 222104231387. The next prime is 222104231407. The reversal of 222104231400 is 4132401222.

It is not an unprimeable number, because it can be changed into a prime (222104231407) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 284521 + ... + 724679.

It is an arithmetic number, because the mean of its divisors is an integer number (4951983400).

Almost surely, 2^222104231400 is an apocalyptic number.

222104231400 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 222104231400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356542804800).

222104231400 is an abundant number, since it is smaller than the sum of its proper divisors (490981378200).

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

222104231400 is a wasteful number, since it uses less digits than its factorization.

222104231400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440236 (or 440198 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 222104231400 its reverse (4132401222), we get a palindrome (226236632622).

The spelling of 222104231400 in words is "two hundred twenty-two billion, one hundred four million, two hundred thirty-one thousand, four hundred".