22220002112 has 112 divisors (see below), whose sum is σ = 55025958528. Its totient is φ = 8648785920.

The previous prime is 22220002093. The next prime is 22220002171. The reversal of 22220002112 is 21120002222.

It is a tau number, because it is divible by the number of its divisors (112).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8361488 + ... + 8364144.

Almost surely, 2^22220002112 is an apocalyptic number.

22220002112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22220002112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27512979264).

22220002112 is an abundant number, since it is smaller than the sum of its proper divisors (32805956416).

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

22220002112 is a wasteful number, since it uses less digits than its factorization.

22220002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4384 (or 4374 counting only the distinct ones).

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

Adding to 22220002112 its reverse (21120002222), we get a palindrome (43340004334).

The spelling of 22220002112 in words is "twenty-two billion, two hundred twenty million, two thousand, one hundred twelve".