2223010001220 has 96 divisors (see below), whose sum is σ = 6575347255680. Its totient is φ = 559603860480.

The previous prime is 2223010001153. The next prime is 2223010001231. The reversal of 2223010001220 is 221000103222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2223010001220.

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 31 ways as a sum of consecutive naturals, for example, 3149427 + ... + 3790106.

It is an arithmetic number, because the mean of its divisors is an integer number (68493200580).

Almost surely, 2^{2223010001220} is an apocalyptic number.

2223010001220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2223010001220 is an abundant number, since it is smaller than the sum of its proper divisors (4352337254460).

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

2223010001220 is a wasteful number, since it uses less digits than its factorization.

2223010001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6939845 (or 6939843 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 2223010001220 its reverse (221000103222), we get a palindrome (2444010104442).

The spelling of 2223010001220 in words is "two trillion, two hundred twenty-three billion, ten million, one thousand, two hundred twenty".