222030043440 has 160 divisors (see below), whose sum is σ = 731989816320. Its totient is φ = 55513423872.

The previous prime is 222030043423. The next prime is 222030043453. The reversal of 222030043440 is 44340030222.

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

It is a self number, because there is not a number n which added to its sum of digits gives 222030043440.

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, 191337 + ... + 693303.

It is an arithmetic number, because the mean of its divisors is an integer number (4574936352).

Almost surely, 2^222030043440 is an apocalyptic number.

222030043440 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 222030043440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365994908160).

222030043440 is an abundant number, since it is smaller than the sum of its proper divisors (509959772880).

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

222030043440 is a wasteful number, since it uses less digits than its factorization.

222030043440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502099 (or 502093 counting only the distinct ones).

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

Adding to 222030043440 its reverse (44340030222), we get a palindrome (266370073662).

The spelling of 222030043440 in words is "two hundred twenty-two billion, thirty million, forty-three thousand, four hundred forty".