22202122001220 has 240 divisors, whose sum is σ = 79975972610688. Its totient is φ = 5050719152640.

The previous prime is 22202122001153. The next prime is 22202122001263. The reversal of 22202122001220 is 2210022120222.

22202122001220 is a `hidden beast` number, since 2 + 220 + 2 + 1 + 220 + 0 + 1 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22202122001193 and 22202122001202.

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 79 ways as a sum of consecutive naturals, for example, 2246737 + ... + 7032216.

Almost surely, 2^{22202122001220} is an apocalyptic number.

22202122001220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22202122001220 is an abundant number, since it is smaller than the sum of its proper divisors (57773850609468).

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

22202122001220 is a wasteful number, since it uses less digits than its factorization.

22202122001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9279192 (or 9279181 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22202122001220 its reverse (2210022120222), we get a palindrome (24412144121442).

The spelling of 22202122001220 in words is "twenty-two trillion, two hundred two billion, one hundred twenty-two million, one thousand, two hundred twenty".