22011220022 has 8 divisors (see below), whose sum is σ = 36018360072. Its totient is φ = 10005100000.

The previous prime is 22011220013. The next prime is 22011220051. The reversal of 22011220022 is 22002211022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22011219979 and 22011220006.

It is a congruent number.

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, 500254979 + ... + 500255022.

It is an arithmetic number, because the mean of its divisors is an integer number (4502295009).

Almost surely, 2^22011220022 is an apocalyptic number.

22011220022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22011220022 is a deficient number, since it is larger than the sum of its proper divisors (14007140050).

22011220022 is a wasteful number, since it uses less digits than its factorization.

22011220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000510014.

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

Adding to 22011220022 its reverse (22002211022), we get a palindrome (44013431044).

The spelling of 22011220022 in words is "twenty-two billion, eleven million, two hundred twenty thousand, twenty-two".