222066224020 has 48 divisors (see below), whose sum is σ = 493818066000. Its totient is φ = 83593396224.

The previous prime is 222066223931. The next prime is 222066224033. The reversal of 222066224020 is 20422660222.

It can be written as a sum of positive squares in 8 ways, for example, as 27791557264 + 194274666756 = 166708^2 + 440766^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222066224020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4480012 + ... + 4529308.

It is an arithmetic number, because the mean of its divisors is an integer number (10287876375).

Almost surely, 2^222066224020 is an apocalyptic number.

222066224020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222066224020 is an abundant number, since it is smaller than the sum of its proper divisors (271751841980).

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

222066224020 is a wasteful number, since it uses less digits than its factorization.

222066224020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62572 (or 62570 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 222066224020 its reverse (20422660222), we get a palindrome (242488884242).

The spelling of 222066224020 in words is "two hundred twenty-two billion, sixty-six million, two hundred twenty-four thousand, twenty".