222021301220 has 12 divisors (see below), whose sum is σ = 466244732604. Its totient is φ = 88808520480.

The previous prime is 222021301207. The next prime is 222021301241. The reversal of 222021301220 is 22103120222.

It can be written as a sum of positive squares in 2 ways, for example, as 36529147876 + 185492153344 = 191126^2 + 430688^2 .

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 3 ways as a sum of consecutive naturals, for example, 5550532511 + ... + 5550532550.

It is an arithmetic number, because the mean of its divisors is an integer number (38853727717).

Almost surely, 2^222021301220 is an apocalyptic number.

222021301220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222021301220 is an abundant number, since it is smaller than the sum of its proper divisors (244223431384).

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

222021301220 is a wasteful number, since it uses less digits than its factorization.

222021301220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11101065070 (or 11101065068 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 222021301220 its reverse (22103120222), we get a palindrome (244124421442).

The spelling of 222021301220 in words is "two hundred twenty-two billion, twenty-one million, three hundred one thousand, two hundred twenty".