222400234320 has 160 divisors (see below), whose sum is σ = 752422020480. Its totient is φ = 53893355520.

The previous prime is 222400234297. The next prime is 222400234423. The reversal of 222400234320 is 23432004222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7051546 + ... + 7083014.

It is an arithmetic number, because the mean of its divisors is an integer number (4702637628).

Almost surely, 2^222400234320 is an apocalyptic number.

222400234320 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 222400234320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376211010240).

222400234320 is an abundant number, since it is smaller than the sum of its proper divisors (530021786160).

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

222400234320 is a wasteful number, since it uses less digits than its factorization.

222400234320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34173 (or 34167 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 222400234320 its reverse (23432004222), we get a palindrome (245832238542).

The spelling of 222400234320 in words is "two hundred twenty-two billion, four hundred million, two hundred thirty-four thousand, three hundred twenty".