2222001001220 has 192 divisors, whose sum is σ = 6481150502400. Its totient is φ = 617252106240.

The previous prime is 2222001001061. The next prime is 2222001001271. The reversal of 2222001001220 is 221001002222.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2222001001195 and 2222001001204.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1333025 + ... + 2494184.

It is an arithmetic number, because the mean of its divisors is an integer number (33755992200).

Almost surely, 2^{2222001001220} is an apocalyptic number.

2222001001220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222001001220 is an abundant number, since it is smaller than the sum of its proper divisors (4259149501180).

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

2222001001220 is a wasteful number, since it uses less digits than its factorization.

2222001001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3827278 (or 3827276 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2222001001220 its reverse (221001002222), we get a palindrome (2443002003442).

The spelling of 2222001001220 in words is "two trillion, two hundred twenty-two billion, one million, one thousand, two hundred twenty".