22011202220 has 48 divisors (see below), whose sum is σ = 52858370880. Its totient is φ = 7542200064.

The previous prime is 22011202163. The next prime is 22011202229. The reversal of 22011202220 is 2220211022.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 22011202195 and 22011202204.

It is not an unprimeable number, because it can be changed into a prime (22011202229) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 193262 + ... + 285258.

It is an arithmetic number, because the mean of its divisors is an integer number (1101216060).

Almost surely, 2^22011202220 is an apocalyptic number.

22011202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011202220 is an abundant number, since it is smaller than the sum of its proper divisors (30847168660).

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

22011202220 is a wasteful number, since it uses less digits than its factorization.

22011202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93722 (or 93720 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22011202220 its reverse (2220211022), we get a palindrome (24231413242).

The spelling of 22011202220 in words is "twenty-two billion, eleven million, two hundred two thousand, two hundred twenty".