220000185822 has 8 divisors (see below), whose sum is σ = 440000371656. Its totient is φ = 73333395272.

The previous prime is 220000185773. The next prime is 220000185827. The reversal of 220000185822 is 228581000022.

It is a sphenic number, since it is the product of 3 distinct primes.

220000185822 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 220000185822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220000185827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18333348813 + ... + 18333348824.

It is an arithmetic number, because the mean of its divisors is an integer number (55000046457).

Almost surely, 2^220000185822 is an apocalyptic number.

220000185822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

220000185822 is a wasteful number, since it uses less digits than its factorization.

220000185822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36666697642.

The product of its (nonzero) digits is 5120, while the sum is 30.

Adding to 220000185822 its reverse (228581000022), we get a palindrome (448581185844).

The spelling of 220000185822 in words is "two hundred twenty billion, one hundred eighty-five thousand, eight hundred twenty-two".