222202020220 has 24 divisors (see below), whose sum is σ = 466641003024. Its totient is φ = 88877615616.

The previous prime is 222202020203. The next prime is 222202020233. The reversal of 222202020220 is 22020202222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222202020194 and 222202020203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417787 + ... + 786733.

It is an arithmetic number, because the mean of its divisors is an integer number (19443375126).

Almost surely, 2^222202020220 is an apocalyptic number.

222202020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222202020220 is an abundant number, since it is smaller than the sum of its proper divisors (244438982804).

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

222202020220 is a wasteful number, since it uses less digits than its factorization.

222202020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399069 (or 399067 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 222202020220 its reverse (22020202222), we get a palindrome (244222222442).

It can be divided in two parts, 2 and 22202020220, that added together give a palindrome (22202020222).

The spelling of 222202020220 in words is "two hundred twenty-two billion, two hundred two million, twenty thousand, two hundred twenty".