22220010110220 has 384 divisors, whose sum is σ = 70459364505600. Its totient is φ = 5193947308032.

The previous prime is 22220010110153. The next prime is 22220010110261. The reversal of 22220010110220 is 2201101002222.

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 22220010110220.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 592783599 + ... + 592821081.

It is an arithmetic number, because the mean of its divisors is an integer number (183487928400).

Almost surely, 2^{22220010110220} is an apocalyptic number.

22220010110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22220010110220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35229682252800).

22220010110220 is an abundant number, since it is smaller than the sum of its proper divisors (48239354395380).

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

22220010110220 is a wasteful number, since it uses less digits than its factorization.

22220010110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37969 (or 37967 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22220010110220 its reverse (2201101002222), we get a palindrome (24421111112442).

The spelling of 22220010110220 in words is "twenty-two trillion, two hundred twenty billion, ten million, one hundred ten thousand, two hundred twenty".