222010001220 has 96 divisors (see below), whose sum is σ = 719424921600. Its totient is φ = 50102792064.

The previous prime is 222010001197. The next prime is 222010001351. The reversal of 222010001220 is 22100010222.

222010001220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 222010001196 and 222010001205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3312360 + ... + 3378719.

It is an arithmetic number, because the mean of its divisors is an integer number (7494009600).

Almost surely, 2^222010001220 is an apocalyptic number.

222010001220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222010001220 is an abundant number, since it is smaller than the sum of its proper divisors (497414920380).

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

222010001220 is a wasteful number, since it uses less digits than its factorization.

222010001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6691177 (or 6691175 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 222010001220 its reverse (22100010222), we get a palindrome (244110011442).

The spelling of 222010001220 in words is "two hundred twenty-two billion, ten million, one thousand, two hundred twenty".