222006243620 has 96 divisors (see below), whose sum is σ = 538463842560. Its totient is φ = 75310502400.

The previous prime is 222006243593. The next prime is 222006243631. The reversal of 222006243620 is 26342600222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24160667 + ... + 24169853.

It is an arithmetic number, because the mean of its divisors is an integer number (5608998360).

Almost surely, 2^222006243620 is an apocalyptic number.

222006243620 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 222006243620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269231921280).

222006243620 is an abundant number, since it is smaller than the sum of its proper divisors (316457598940).

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

222006243620 is a wasteful number, since it uses less digits than its factorization.

222006243620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11013 (or 11011 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 222006243620 its reverse (26342600222), we get a palindrome (248348843842).

The spelling of 222006243620 in words is "two hundred twenty-two billion, six million, two hundred forty-three thousand, six hundred twenty".