22022220111 has 24 divisors (see below), whose sum is σ = 29970113040. Its totient is φ = 14383938816.

The previous prime is 22022220089. The next prime is 22022220119. The reversal of 22022220111 is 11102222022.

It is not a de Polignac number, because 22022220111 - 2¹³ = 22022211919 is a prime.

It is a super-3 number, since 3×22022220111³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022220119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7894705 + ... + 7897493.

It is an arithmetic number, because the mean of its divisors is an integer number (1248754710).

Almost surely, 2^22022220111 is an apocalyptic number.

22022220111 is a deficient number, since it is larger than the sum of its proper divisors (7947892929).

22022220111 is an equidigital number, since it uses as much as digits as its factorization.

22022220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3835 (or 3782 counting only the distinct ones).

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

Adding to 22022220111 its reverse (11102222022), we get a palindrome (33124442133).

The spelling of 22022220111 in words is "twenty-two billion, twenty-two million, two hundred twenty thousand, one hundred eleven".