22022211022220 has 12 divisors (see below), whose sum is σ = 46246643146704. Its totient is φ = 8808884408880.

The previous prime is 22022211022199. The next prime is 22022211022261. The reversal of 22022211022220 is 2222011222022.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1101110551111 = 22022211022220 / (2 + 2 + 0 + 2 + 2 + 2 + 1 + 1 + 0 + 2 + 2 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 22022211022192 and 22022211022201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550555275536 + ... + 550555275575.

It is an arithmetic number, because the mean of its divisors is an integer number (3853886928892).

Almost surely, 2^{22022211022220} is an apocalyptic number.

22022211022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022211022220 is an abundant number, since it is smaller than the sum of its proper divisors (24224432124484).

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

22022211022220 is a wasteful number, since it uses less digits than its factorization.

22022211022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101110551120 (or 1101110551118 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22022211022220 its reverse (2222011222022), we get a palindrome (24244222244242).

The spelling of 22022211022220 in words is "twenty-two trillion, twenty-two billion, two hundred eleven million, twenty-two thousand, two hundred twenty".