22222000000220 has 48 divisors (see below), whose sum is σ = 49122979869600. Its totient is φ = 8420854579200.

The previous prime is 22222000000171. The next prime is 22222000000223. The reversal of 22222000000220 is 2200000022222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22222000000195 and 22222000000204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222000000223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31034396 + ... + 31742364.

It is an arithmetic number, because the mean of its divisors is an integer number (1023395413950).

Almost surely, 2^{22222000000220} is an apocalyptic number.

22222000000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22222000000220 is an abundant number, since it is smaller than the sum of its proper divisors (26900979869380).

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

22222000000220 is a wasteful number, since it uses less digits than its factorization.

22222000000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790598 (or 790596 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 22222000000220 its reverse (2200000022222), we get a palindrome (24422000022442).

The spelling of 22222000000220 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred twenty", and thus it is an aban number.