222021202220 has 24 divisors (see below), whose sum is σ = 466357617600. Its totient is φ = 88786939392.

The previous prime is 222021202213. The next prime is 222021202241. The reversal of 222021202220 is 22202120222.

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, 1261700 + ... + 1426859.

It is an arithmetic number, because the mean of its divisors is an integer number (19431567400).

Almost surely, 2^222021202220 is an apocalyptic number.

222021202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222021202220 is an abundant number, since it is smaller than the sum of its proper divisors (244336415380).

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

222021202220 is a wasteful number, since it uses less digits than its factorization.

222021202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692697 (or 2692695 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 222021202220 its reverse (22202120222), we get a palindrome (244223322442).

The spelling of 222021202220 in words is "two hundred twenty-two billion, twenty-one million, two hundred two thousand, two hundred twenty".