22220111010 has 64 divisors (see below), whose sum is σ = 54253774080. Its totient is φ = 5823068160.

The previous prime is 22220110987. The next prime is 22220111033. The reversal of 22220111010 is 1011102222.

It is an interprime number because it is at equal distance from previous prime (22220110987) and next prime (22220111033).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 650026 + ... + 683354.

It is an arithmetic number, because the mean of its divisors is an integer number (847715220).

Almost surely, 2^22220111010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22220111010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27126887040).

22220111010 is an abundant number, since it is smaller than the sum of its proper divisors (32033663070).

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

22220111010 is a wasteful number, since it uses less digits than its factorization.

22220111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33723.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22220111010 its reverse (1011102222), we get a palindrome (23231213232).

The spelling of 22220111010 in words is "twenty-two billion, two hundred twenty million, one hundred eleven thousand, ten".