22220000311 has 4 divisors (see below), whose sum is σ = 22319641792. Its totient is φ = 22120358832.

The previous prime is 22220000273. The next prime is 22220000329. The reversal of 22220000311 is 11300002222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22220000311 - 2⁷ = 22220000183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22220000291 and 22220000300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220000381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49820406 + ... + 49820851.

It is an arithmetic number, because the mean of its divisors is an integer number (5579910448).

Almost surely, 2^22220000311 is an apocalyptic number.

22220000311 is a deficient number, since it is larger than the sum of its proper divisors (99641481).

22220000311 is an equidigital number, since it uses as much as digits as its factorization.

22220000311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99641480.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22220000311 its reverse (11300002222), we get a palindrome (33520002533).

The spelling of 22220000311 in words is "twenty-two billion, two hundred twenty million, three hundred eleven", and thus it is an aban number.