22002201122220 has 288 divisors, whose sum is σ = 79477740276480. Its totient is φ = 5053136866560.

The previous prime is 22002201122189. The next prime is 22002201122299. The reversal of 22002201122220 is 2222110220022.

22002201122220 is a `hidden beast` number, since 2 + 200 + 220 + 1 + 1 + 22 + 220 = 666.

It is a super-3 number, since 3×22002201122220³ (a number of 41 digits) contains 333 as substring.

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 = 22002201122193 and 22002201122202.

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 95 ways as a sum of consecutive naturals, for example, 9814887 + ... + 11846366.

It is an arithmetic number, because the mean of its divisors is an integer number (275964375960).

Almost surely, 2^{22002201122220} is an apocalyptic number.

22002201122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002201122220 is an abundant number, since it is smaller than the sum of its proper divisors (57475539154260).

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

22002201122220 is a wasteful number, since it uses less digits than its factorization.

22002201122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21661307 (or 21661293 counting only the distinct ones).

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

Adding to 22002201122220 its reverse (2222110220022), we get a palindrome (24224311342242).

The spelling of 22002201122220 in words is "twenty-two trillion, two billion, two hundred one million, one hundred twenty-two thousand, two hundred twenty".