222805078843560 has 128 divisors (see below), whose sum is σ = 677641871808000. Its totient is φ = 58594711136256.

The previous prime is 222805078843393. The next prime is 222805078843561. The reversal of 222805078843560 is 65348870508222.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 222805078843494 and 222805078843503.

It is not an unprimeable number, because it can be changed into a prime (222805078843561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83474146 + ... + 86101934.

It is an arithmetic number, because the mean of its divisors is an integer number (5294077123500).

Almost surely, 2^{222805078843560} is an apocalyptic number.

222805078843560 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 222805078843560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338820935904000).

222805078843560 is an abundant number, since it is smaller than the sum of its proper divisors (454836792964440).

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

222805078843560 is a wasteful number, since it uses less digits than its factorization.

222805078843560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2637555 (or 2637551 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 60.

The spelling of 222805078843560 in words is "two hundred twenty-two trillion, eight hundred five billion, seventy-eight million, eight hundred forty-three thousand, five hundred sixty".